warm up 1-10-2013

Warm up 1-10-2013

Any trace of an ancient organism that have been preserved in rock is called a

a)Fossilb) continentc) landmassd) landform

Did you Know?

Wild Scottish TigersGreat Britain's last large predator is the Scottish

wildcat. Though not much bigger than a housecat, it's a fierce creature distinguished by its thick, ringed tail. Only about 400 remain -- making "the Tiger of the Highlands"

even rarer than its endangered big-cat cousins.

Question:

Performance Matters Question Analysis

The lid of a drinking cup is made of plastic. The use of plastic reduces the transfer of thermal energy into and out of the cup.

How is thermal energy transferred into and out of the cup?

a)transferred by conduction

b) transferred by convection

c) transferred by friction

d) transferred by radiation

Answers:

a) 36%

b) 37%

c) 9%

d) 19%

a) 44%

b) 35%

c) 3%

d) 18%

Warm up 1-17-2013

Old oceanic crust is more dense than new oceanic crust because it is

a) Closer to the mid-ocean ridgeb) Coolc) Hotd) moving toward a deep-ocean

trench

Hooray for Dragonflies!

Dragonflies are incredible fliers that can hover, fly side

to side, and even go backward. But they can't walk on the ground, and

they only catch prey while flying; they grab it with their feet. One dragonfly can eat

hundreds of mosquitoes in a day!

Question:


What is the name of the outer layer of the Earth that contains both the crust and the upper mantle?

a) asthenosphere

b) core

c) cryosphere

d) lithosphere

Answers:

a) 28%

b) 27 %

c) 35 %

d) 10%

a) 20%

b) 6%

c) 2%

d) 73%

Warm up 1-24-2013

What is Pangaea?

a) Another name for continental drift

b) the name of an ancient fossilc) the name of a German scientistd) or the name of the

supercontinent that existed millions of years ago

Did you Know?

Lunar Volcanoes

Io, the third largest moon of Jupiter, is the most

volcanically active body in our solar system. Picture a

moon that's just a little larger than Earth's moon --

but with more than 400 active volcanoes!

Question:


Which statement is best supported by the fossil record?

a) Fossils are found in nearly all rocks.

b) Fossils are found only in areas that were once under water.

c) Most early life forms that left fossil remains are now extinct.

d) Most early life forms that left fossil remains still exist today.

Answers:

a) 6%

b) 3%

c) 83%

d) 9%

Warm up 1-25-2013

What is the age of an intrusion of igneous rock in relation to the sedimentary rock layers through which it passes?

a) The same age as the other rock layer

b) always olderc) Sometimes younger, sometimes

olderd) always younger

Did you Know?

Feeling Dizzy?

Vertigo is a weird feeling that the room is spinning

when it's actually standing still. It happens when your

brain gets confused by conflicting input from

different senses. You might get vertigo from a fever, an inner-ear problem, or even

certain medications.

Question:


Termites eat wood but cannot digest it. Protozoans live in the termites' stomachs and use enzymes to break down the wood. The digested wood provides nutrition for both the termites and the protozoans. Which type of relationship is this?

a) commensalism

b) mutualism

c) parasitism

d) predation

Answers:

a) 21%

b) 29 %

c) 41%

d) 6%

Warm up 1-28-2013

Geologists use radioactive dating to

a)tell where one soil horizon ends and the next one begins.b)Determine the relative ages of rock layersc)Tell the difference between molds and casts.d)Determine the absolute ages of rocks

Did you Know?

Super Dangerous Storms

A supercell is a thunderstorm with a

powerful, rotating updraft that swirls air vertically

through the clouds. It's the rarest type of storm but also

the most dangerous, because it can create heavy rain, flash floods, and even

tornadoes.

Question:


Which of these is the best indication of the relative age of a rock layer?

a) position of the layer compared to other layers

b) distance the layer extends over the crust

c) thickness of the layer

d) chemical makeup of the layer

Answers:

a) 13%

b) 16%

c) 51%

d) 20%

Warm up 1-29-2013

The relative age of a rock is

a)Less that the age of the fossils the rock contains.b) Its age compared with the ages of other rocks.c) Its age based on how much carbon-14 the rock contains.d) The number of years since the rock formed

Did you Know?

Big Blue Neptune

The only spacecraft to visit the ice giant Neptune was Voyager 2 in 1989, when it

discovered six of the planet's 13 known moons.

Neptune is bright blue thanks to the methane in its

atmosphere, and it orbits the sun only once every 165

years.

Question:


In the rock cycle, which of these is a chemical change involved with the formation of igneous rocks?

a) subduction of plates

b) formation of minerals

c) compression of sediments

d) heat loss from lava

Answers:

a) 8%

b) 22 %

c) 23%

d) 47%

a) 3%

b) 27 %

c)29%

d) 40%

Warm up 1-31-2013

Of the following methods, which led scientists to infer that Earth is about 4.6 billion years old?

a)Studying index fossils b) applying the law of superpositionc) Studying fault linesd) using radioactive dating on moon rocks

Did you Know?

Leonardo's Contact Lenses

Leonardo da Vinci had the idea for contact lenses

around 1508! But the first glass contact lenses that

corrected nearsightedness weren't made until 1889, by

Germany's August Müller. California optician Kevin Tuohy created the first

plastic contacts in 1948.

Question:


How does a volcanic eruption affect the atmosphere?

a) adding large quantities of gases, such as sulfur dioxide, to the atmosphere

b) increasing the amount of oxygen in the atmosphere due to escaping gases

c) clearing away nearby clouds, increasing the amount of sunshine

d) reducing the amount of water vapor in the atmosphere

Answers:

a) 78%

b) 11%

c) 2%

d) 9%

Warm up 2-4-2013

A fossil formed when minerals replace all or part of an organism is called a

a) Petrified fossilb) castc) Moldd) Trace fossil

Did you Know?

A Real Robot Suit

The X1 robotic exoskeleton is an "Iron Man"-like suit

that NASA is developing as a wearable exercise machine for astronauts, who need to do regular workouts while in space. On Earth, the X1

could help people walk again, or take steps on their

own for the first time.

Question:


Some osprey eat fish that contain chemicals from polluted rivers and lakes. Some types of chemicals cause bird eggs to have thin shells that break easily. Which of the following is most likely to happen to osprey that live near polluted water?

a) The osprey eat other foods instead of fish.

b) Most ospreys will migrate south.

c) The osprey will move to areas that do not have water.

d) Fewer osprey eggs will successfully hatch.

Answers:

a) 10%

b) 10 %

c) 5%

d) 76%

a) 5%

b) 8 %

c) 3%

d) 84%

Warm up 2-5-2013

The time it takes for half the radioactive atoms in a sample of a radioactive element to decay is the element’s

a) Potassium-argon dateb) half-lifec) Relative aged) absolute age

Did you Know?

The Rundown on Ribs

You have three types of ribs. "True" ribs, the top seven pairs, are joined to your sternum (the bone in the

middle of your chest). "False" ribs, the next three

pairs, all attach to your bottom true ribs. Lastly, two

pairs of "floating" ribs connect only to your spine.

Question:


Why do volcanoes and ridges form when the sea floor spreads apart?

a) ocean water pushes down on the surrounding sea floor, pushing up ridges

b) as the plates pull apart, magma moves to the surface, building ridges

c) sediments are deposited where the floor spreads, building ridges

d) underwater earthquakes lift the sea floor into long ridges

Answers:

a) 18%

b) 43 %

c) 18 %

d) 21%

Warm up 2-7-2013

Radioactive decay occurs when atoms of some elements

a) Become part of a fossil b) Are exposed to chemical weathering c)join with atoms of another element d)break down to form atoms of another element

Did you Know?

Snow Doughnuts

Snow rollers, or snow doughnuts, are rare

snowballs made by wind. They can form on icy slopes when the snow is wet and loose, if the wind is strong

enough to roll the snow but not blowing too fast. Snow

rollers get bigger as they move, sometimes up to two

feet wide!

Question:


In the 1930s, Chlorofluorocarbons (CFCs) were introduced as a successful replacement for hazardous materials

used as coolants in refrigerators and as propellants for many aerosol products. Most of the countries in the world, including the United States, have banned CFCs. The reason for the ban is because CFSs have been found to damage the ozone layer in Earth's atmosphere. What does the introduction and then

subsequent ban of CFCs represent?

a) scientific advances are influenced by the costs and benefits

b) scientific knowledge stays the same over time

c) scientific knowledge can change over time

d) scientific knowledge does not provide benefits to society

Answers: a) 9%

b) 7 %

c) 78 %

d) 6%

Warm up 2-11-2013

In sea-floor spreading, molten material rises from the mantle and erupts

a) At the north and south polesb) along the edges of all the

continentsc) In deep-ocean trenchesd) along mid-ocean ridges

Did you Know?

One Giant Leap

Skydiver Felix Baumgartner leaped from a balloon 24

miles above sea level, becoming the first person to

break the speed of sound without an aircraft. His 2012

stunt, the highest freefall ever, helped scientists

research how astronauts might survive bailing out

from high up.

Question:


If you take your cold ice cream outside on a warm day, which of the following will occur?

a) energy from the air will transfer to the ice cream, causing the ice cream to melt

b) energy will transfer equally between the ice cream and the air, causing no change

c) cold is transferred from the ice cream to the air, causing the air to cool

d) cold from the ice cream will transfer to the air, causing the ice cream to melt

Answers:

a) 79%

b) 2 %

c) 2 %

d) 18%

Warm up 2-14-2013

The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle is known as

a) Subductionb) Conductionc) continental driftd) convection

Did you Know?

She Changed Valentine's Day!

Esther A. Howland is called the "mother of the American Valentine." In

1848, when Americans still made their cards or bought imported ones, she got the idea to mass-produce them through her dad's stationery

company. She expected about 200 orders -- but got

5,000!

Question:


A group of students investigate the effect of carbon dioxide on plant height. The students grow plants in several closed

containers. All the plants receive the same amounts of waterand light, but the air in each container has a different amount of carbon dioxide. What is the test variable (independent variable)

in this experiment?

a) height of each plant after a period of time

b) amount of carbon dioxide in each container

c) amount of air in each container

d) amount of water provided to the plants

Answers:

a) 21%

b) 56%

c) 15%

d) 8%

Warm up 2-15-2013

The place where two continental plates come together is known as

a) Rift valleyb) convergent boundaryc) transform boundaryd) divergent boundary

Did you Know?

Catch an Earth Wave

An earthquake creates two major types of seismic

waves that travel through the ground. Body waves

move through the planet's inner layers and are the first

ones you feel. Then come surface waves, which only travel on the surface but cause the most damage.

Question:


Overgrazing is when livestock such as cattle, eat so much of the plant life that the grazing area cannot recover without

replanting. How does overgrazing likely affect the environment?

a) Overgrazing causes deforestation.

b) Overgrazing leads to desertification.

c) Overgrazing reduces the water available.

d) Overgrazing causes soil erosion.

Answers:

a) 28%

b) 27 %

c) 12 %

d) 32%

Warm up 2-19-2013

A collision between two pieces of continental crust at a converging boundary produces a

a) Mountain rangeb) rift valleyc) deep-ocean trenchd) mid-ocean trench

Did you Know?

The Moon in Color

During a total lunar eclipse, the moon may look red! When the Earth passes

between our moon and sun, at one point its shadow totally covers the moon. Sunlight filtering through Earth's atmosphere can

briefly turn that dark shadow red, brown, orange,

or yellow.

Question:


A fossil found in a surface rock layer is of the same species as a fossil found in a deeper rock layer. However, the

two fossils differ slightly in structure. What do differences in the structures of the fossils indicate?

a) the life span of this species changed

b) the life span of this species changed

c) this species changed over time

d) this species had many predators

Answers:

a) 17%

b) 15 %

c) 66%

d) 3%

Warm up 2-20-2013

According to Wegener’s hypothesis of continental drift

a) The continents were once joined together by a single landmass

b) Earth is slowly cooling and shrinking

c) the continents do not moved) Earth’s surface is made up of

seven major landmasses.

Did you Know?

Ice Bugs

The tiny snow scorpionfly is not a fly or scorpion, but a type of insect found mostly

at high altitudes in the Northern Hemisphere. These hopping bugs --

ancient relatives of the flea -- are so adapted to being in the cold that even the heat from a human hand could

kill one.

Question:


Which of the following events is best explained by tectonic plate movement?

a) torando

b) hurricane

c) cyclone

d) tsunami

Answers:

a) 3%

b) 3 %

c) 10 %

d) 84%

Warm up 2-22-2013

Most geologists think that the movement of Earth’s plates is caused by

a) Convection currents in the mantle

b) Earthquakesc) Earth’s magnetic fieldd) Conduction

Did you Know?

Ancient Quake Detectors

In 132 AD, Chinese astronomer Zhang Heng created a seismometer, a device that detects the

ground's movement during an earthquake. It couldn't

predict quakes but did show what direction they were

coming from -- even hundreds of miles away!

Question:


What is the relationship between a flower and a bee that eats the flower's pollen?

a) mutualism because the flower provides the bee with food and the bee pollinates the flower

b) commensalism because the bee lives off the pollen but the flower does not benefit

c) parasitism because the bee harms the flower by removing the pollen

d) predation because the bee feeds on the flower and the flower dies

Answers:

a) 74%

b) 18 %

c) 7 %

d) 2 %

Warm up 2-25-2013

The huge hole left by the collapse of a volcanic mountain is called a

a) Shield volcanob) lava plateauc) cinder coned) caldera

Did you Know?

Inventing Silly Putty

Engineer James Wright created Silly Putty during

World War II, while trying to make an inexpensive

substitute for synthetic rubber. A few years later,

businessman Peter Hodgson noticed the "nutty putty"

was a hit during a party and decided to market it as a

toy.

Question:


What property of light waves can be observed as light waves pass from one medium to

another and change speed?

a) diffraction

b) absorption

c) refraction

d) reflection

Answers:

a) 11%

b) 14%

c) 65%

d) 10%

Warm up 2-26-2013

When ash, cinders, and bombs build up in a steep pile around a volcano’s vent the result is

a) Composite volcanob) shield volcanoc) dormant volcanod) cinder cone volcano

Did you Know?

Highest Lake on Earth

Ojos del Salado is the world's highest active volcano, but it hasn't

erupted for centuries. This mountain on the border of Chile and Argentina is also

home to Earth's highest known lake -- a small crater

lake that sits almost four miles above sea level!

Question:


Gilbert designs an experiment to determine how the shape of an object affects the amount of force needed to move the object 5 meters. What is the test variable (independent variable) of this

experiment?

a) force needed to move the object

b) shape of the object used

c) size of object used

d) type of surface used

Answers:

a) 38%

b) 41 %

c) 13 %

d) 8%

Warm up 2-27-2013

Tall, cone-shaped mountains in which layers of lava alternate with layers of ash are called

a) Cinder cone volcanoesb) shield volcanoesc) composite volcanoesd) lava plateaus

Did you Know?

Groovy Geckos

Geckos live in most of the world's warmer areas. They have sticky toes that make them great climbers, and

they make a chirping sound unlike other lizards. Most geckos can't blink: They

have a clear membrane over their eyes, which they lick to

keep clean.

Question:


Which of the following must happen for the sea floor to spread apart?

a) tsunami

b) volcani eruption

c) plate movement

d) tidal wave

Answers:

a) 7%

b) 5 %

c) 86 %

d) 1%

Warm up 2-28-2013

When many layers of thin, runny lava build up a high, level area the result is a

a) cinder cone volcanob) composite volcanoc) lava plateaud) shield volcano

Did you Know?

Weak in the Knees

Babies don't have kneecaps -- at least, not the

bony kind that older kids and adults have. At birth, human kneecaps are still cartilage (soft connective

tissue) and they don't start to harden until sometime between ages three and

five.

Question:


A scientist develops a hypothesis, designs an experiment, and obtains data that support her hypothesis. Which of the following

best describes when a hypothesis becomes a theory?

a) when a website is created to display the theory

b) when it is supported by consistent data from many experimental trials

c) when one good set of scientific data is discussed and shared

d) when the official scientific method is followed

Answers:

a) 4%

b) 70%

c) 12%

d) 14%

Warm up 3-4-2013

If Geologists detect many small earthquakes in the area near a volcano, what can they infer about the volcano?

a) It is extinctb) it is dormantc) it is probably about to eruptd) it is a good source of geothermal

energy.

Did you Know?

Green Freeloaders

An epiphyte is a plant that attaches itself to another

plant for support, but does not feed off its host. Often

called "air plants," epiphytes such as orchids and Spanish moss have no roots. Instead, they draw water and nutrients from rain and debris on their

hosts.

Question:


How does a volcanic eruption most directly affect the biosphere?

a) ncreasing the amount of ash and dust in the air, blocking the sun

b) reducing the amount of water vapor in the atmosphere

c) adding lava to the biosphere, immediately increasing plant growth

d) increasing the amount of oxygen due to escaping gase

Answers:

a) 55%

b) 20%

c) 8%

d) 18%

Warm up 3-11-2013

The main factor that accounts for the difference between quiet and explosive volcanic eruptions is

a) the iron content of the magmab) the silica content of the magmac) the age of the volcanod) the size of the volcano’s magma

chamber.

Did you Know?

Spring Forward!

New Zealand scientist George V. Hudson proposed the idea of Daylight Saving Time in 1895. An expert on insects, he valued the hours after work, when it was light

enough to collect specimens. That gave him

the idea to turn clocks forward and create more

after-work daylight.

Question:


Which of the following data describes a scientific law but NOT a scientific theory?

a) In any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.

b) The Earth has two cores, inner and outer. The inner core is solid, very dense, and very hot.

c) All matter is made of atoms. All atoms of an element have the same mass and properties.

d) A cell is the smallest form of life and new cells only come from pre-existing cells.

Answers:

a) 31%

b) 20 %

c) 35 %

d) 15%

Warm up 3-12-2013

Before lava reaches the surface, the molten material is called

a) Magmab) liquid firec) volcanic ashd) rock

Did you Know?

Long-Distance Lightning

When conditions are right, you may see lightning

flashes from storms up to 100 miles away! Often called "heat lightning" because it happens on

warm nights and you hear no thunder, it's the same as

regular lightning -- just farther away. (Thunder's

sound fades with distance.)

Question:


Which interval represents one full wavelength?

a) Point B to Point D

b) Point B to Point F

c) Point A to Point G

d) Point A to Point C

Answers:

a) 23%

b) 35 %

c) 10 %

d) 32%

Warm up 3-18-2013

In which location would you most likely find volcanoes?

a) where two continental plates collide

b) along mid-ocean ridges and where a plate is subducted

c) far from plate boundariesd) along transform boundaries

Did you Know?

Awesome Possums

Possums may look like rodents, but they are

marsupials that carry their young in pouches, like

kangaroos. They have 50 teeth, the most of any North

American land mammal, and are also the only non-primates with opposable

thumbs -- on their hind feet, to help them climb.

Question:

Warm up 3-19-2013

In a strike-slip fault, the rock on either side of the fault slip past each other sideways with little

a) up-or-down motionb) Noisec) Shakingd) movement.

Did you Know?

Who Needs a Boat?

The Amphicar was the only mass-produced civilian

passenger car that could be driven on land or in water.

Just under 4,000 were made in the 1960s. President

Lyndon B. Johnson liked to play a joke on guests by

pretending to accidentally crash his Amphicar into a

lake!

Question:

Warm up 3-20-2013

Compared to P waves and S waves, surface waves move

a) Fasterb) Slowerc) at the same rated) farther from the epicenter

Did you Know?

Fake Mission, Real Results

The Mars500 mission sent six international astronauts on a pretend Mars mission,

locking them in a small "spaceship" for a year and a

half! By studying how humans handle long-term

spaceflight, the experiment showed we might have

problems with sleep and staying active.

Question:

Warm up 3-21-2013

How many seismograph data points are required to locate an earthquakes epicenter?

a) 2b) 1c) 3d) 4

Did you Know?

Getting Geomorphology

In the late 1800s, U.S. geographer William Morris Davis developed his "cycle of erosion" theory, holding

that features like valleys and plains were shaped by physical forces such as

water. The idea sparked the modern science of

geomorphology, or the study of Earth's landforms.

Question:

Warm up 3-22-2013

The point beneath Earth’s surface where rock breaks under stress and triggers an earthquake is called the

a) Epicenterb) Focusc) Synclined) footwall

Did you Know?

Mega Snow Day

A record 76 inches of snow fell on the town of Silver Lake, Colorado -- in just one day! That's about

three inches an hour, piling up to just over six feet. The

April 1921 storm, which lasted about 28 hours,

dropped another 11 inches before it was done.

Question:

Warm up 4-2-2013

In a normal fault, the part of the fault that lies below the other part is called the

a) Hanging wallb) Anticlinec) reverse faultd) footwall

Did you Know?

Mona Lisa and the Moon

Leonardo da Vinci's Mona Lisa is smiling in space. For NASA's first display of how laser communication could back up or someday replace

the standard radio-wave method, scientists beamed

an image of the famous painting to a satellite

orbiting the moon.

Question:

Warm up 4-3-2013

Suppose two normal faults cause valleys to drop down on either side of a block of rock. As the hanging wall of each normal fault slips downward, the block between forms a

a) rift valleyb) folded mountainc) lava plateaud) fault-block mountain

Did you Know?

Presidential Heights

Abraham Lincoln, our sixteenth president, was the tallest U.S. head of state at

6 feet 4 inches, although thirty-sixth President

Lyndon B. Johnson came close at 6 feet 3.5 inches.

Our fourth President, James Madison, was the shortest

at just 5 feet 4 inches.

Question:

Warm up 4-4-2013

Which of the following can cause damage days or months after a large earthquake?

a) a tsunamib) an aftershockc) Convectiond) the arrival of surface waves

Did you Know?

Hurricane Force

An especially dangerous part of a hurricane is storm

surge, the sudden rise of water caused when high winds force it toward the shore. During hurricanes

Katrina and Ike, for example, storm surges

created devastating floods in coastal areas.

Question:

Warm up 4-8-2013

Sometimes forces inside the earth turn rock layer over completely. This is called

a faultFoldingan intrusionan unconformity

Did you Know?

The First Clicker

The first TV remote control was named "Lazy Bones"!

Created by the Zenith Radio Corporation in 1950, it

connected to the TV by a wire. In 1955, the company introduced the first wireless remote, the "Flashmatic," which used a beam of light

to change channels.

Question:

Warm up 4-9-2013

A large area of flat land elevated high above sea level is called a

a) Synclineb) Faultc) Canyond) plateau

Did you Know?

Sharpshooting Fish

Archerfish shoot water drops from their mouths to

knock insects off overhanging plants or even

out of the air. Native to parts of Asia and Australia, they can squirt water up to about 16 feet! But they're

most likely to hit targets less than six feet away.

Question:

Warm up 4-10-2013

Many uses of land, including logging, mining, and farming expose the soil, which can lead to

a) crop rotationb) nutrient depletionc) Developmentd) erosion

Did you Know?

Teen Inventor

In 2012, 15-year-old Jack Andraka invented a paper

test strip that can help detect pancreatic cancer

early. The pancreas is deep in the abdomen, so tumors may not show up until they get big. The strip checks for high levels of a protein in the blood that can mean

cancer.

Question:

Warm up 4-11-2013

Most of the Earth’s water (about 97 percent) is

a) in the cloudsb) in the form of snow or icec) freshwater in lakes and riversd) saltwater in oceans

Did you Know?

Slippery Orchid

Lady's slipper orchids trap insects in the bulb-like

pouches of their flowers, but not to eat them. When

bugs climb out, they fertilize the plant. Found in parts of

Europe, Asia, and North America, it's the official

flower of both Minnesota and Canada's Prince Edward

Island.

Question:

Warm up 4-12-2013

S waves are also known as

a) primary wavesb) focus wavesc) surface wavesd) secondary waves

Did you Know?

Where Clouds Run Dry

A rain shadow is a dry area on a mountain's leeward

side (facing away from wind). Clouds drop rain or

snow on the windward side before reaching the top. The

taller the slope, the less rainfall on the other side:

For example, the Gobi Desert is in the Himalayas'

rain shadow.

Question:

Warm up 4-19-2013

A fold in rock that bends upward into an arch is called a(n)

a) Canyonb) Anticlinec) Plateaud) syncline

Did you Know?

Bountiful Bamboo

Bamboo can grow up to a foot a day! There are more than 1,000 species of this

handy plant, which belongs to the grass family. Around the world, bamboo is used

in construction, as food and medicine, and to make

products like paper, textiles, musical instruments, and

more.

Question:

Warm up 4-22-2013Happy Earth Day!

The process of restoring an area of land to a more natural, productive state is called

a) land reclamationb) Erosionc) nutrient depletiond) development

Did you Know?

Bountiful Bamboo

Bamboo can grow up to a foot a day! There are more than 1,000 species of this

handy plant, which belongs to the grass family. Around the world, bamboo is used

in construction, as food and medicine, and to make

products like paper, textiles, musical instruments, and

more.

Question:

Warm up 4-24-2013

The type of molecule that is the major cause of the ozone hole and blocks the ozone cycle is called

a) carbon dioxideb) oxygen atomsc) carbon monoxided) chlorofluorocarbons

Did you Know?

Dirty But Clean

When flies rub their legs together, they are cleaning themselves! Receptors in

their legs "taste" any surface they land on, so

cleaning keeps their senses fresh. Along with figuring out if something's edible, they may be deciding if a surface is good for laying

eggs.

Question:

Warm up 4-25-2013

A river system is made up of a river and its

a) tributariesb) Dividesc) Runoffd) sediments

Did you Know?

Heat and Your Head

Technically, you don't lose most of your body heat through your head. Your

head, face, and chest feel temperature changes more than the rest of your body,

but you lose warmth evenly across any exposed skin. So you still have to wear a hat

if your parents say so.

Question:

Warm up 4-26-2013

What is a major role of technology in controlling air pollution?

a) Removing CFC’s from the atmosphere

b) banning the use of pollutantsc) reducing emissionsd) cleaning up oil spills

Did you Know?

Ancient Artworks

The Dabous Giraffes are two ancient, life-sized rock carvings, or petroglyphs, in the Ténéré Desert in Niger. The highly detailed male

(over 18 feet tall!) and smaller female are side-by-side atop a sandstone slab,

at a site containing more than 800 other carvings.

Question:

Warm up 4-29-2013

Using land to grow food crops is an example of

a) developmentb) Miningc) Agricultured) desertification

Did you Know?

The Colosseum in Color

Most of the seating in Rome's Colosseum was

white marble, but archaeologists found that a

hallway leading to the outdoor theater was filled

with color. A cleanup project revealed paintings done in red, light blue, green, and black -- plus graffiti left by

gladiator fans.

Question:

Warm up 4-30-2013

Which of the following is one reason that wetlands are important? a)

Wetlands make summers hotter and winters cooler

b) wetlands cause worse floods because water cannot be absorbs

c) wetlands help control floods by absorbing extra runoff from heavy rains

d) wetlands make good areas for farms, homes ,and businesses

Did you Know?

What's in a Hurricane Name

When a hurricane is very devastating, its name is

retired. So there will never be another Katrina or Irene. The World Meteorological

Organization keeps six official name lists for

Atlantic tropical storms, rotating them every six

years.

Question:

Warm up 5-1-2013

Farmers may leave fields unplanted or plant alternate crops to reduce

a) strip miningb) Desertificationc) Erosiond) nutrient depletion

Did you Know?

Itty Bitty Butterfly

The rare Sinai baton blue butterfly is one of the

world's smallest, with a wingspan around the width of a dime. These insects live

and feed exclusively on patches of wild thyme found

only in Saint Katherine's Protectorate, an area of Egypt's Sinai Peninsula.

Question:

Warm up 5-2-2013

A well in which groundwater rises because of pressure is called a(n)

a) spring wellb) geyser wellc) dry welld) artisan well

Did you Know?

When the Nose Doesn't Know

Anosmia is the loss of smell. It's usually temporary, from

a cold or allergies, but permanent anosmia can be

caused by conditions like aging or brain tumors. It

affects your sense of taste too, because taste buds

can't detect as many flavors without input from your

nose..

Question:

Warm up 5-7-2013

An aquifer is a(n)

a) well in which water rises because of pressure

b) underground layer of rock or sediment that holds water

c) type of hot springs from which the water periodically erupts

d) place where groundwater bubbles or flows out of cracks in the rock

Did you Know?

Heavy Impact

An impact crater is the hole left by a meteorite striking a

planet, moon, or other celestial body. One of Earth's largest is the

Vredefort Crater in South Africa, which scientists say

was created about two billion years ago by an

asteroid more than six miles wide!

Question:

Warm up 5-8-2013

All of the following are examples of limiting factors EXCEPT

a) foodb) Soilc) weather conditiond) space

Questions:Fertilizers and pesticides are examples of

a) road runoffb) human wastesc) agricultural wastesd) industrial wastes

Warm up - -2013

Fertilizers and pesticides are examples of

a) road runoffb) human wastesc) agricultural wastesd) industrial wastes

Did you Know?




Question:

Warm up 5-9-2013

Wetlands provide habitats for many living things because of their sheltered waters anda) thick layer of mudb) ability to prevent floodsc) large supply of

nutrientsd) lack of insects

Question:People can obtain groundwater by drilling a well a) into the impermeable

layerb) above the water

tablec) into the unsaturated

zoned) into an aquifer

Warm up - -2013

People can obtain groundwater by drilling a well a) into the impermeable

layerb) above the water tablec) into the unsaturated

zoned) into an aquifer

Did you Know?




Question:

Warm up 5-10-2013

Which term refers to similar structures that related species have inherited from a common ancestor?

a) Developmental organismsb) homologous structuresc) DNA sequencesd) punctuated equilibria

Question:If all members of a species disappear from Earth, the species is said to be

a) Extinctb) Endangeredc) Threatenedd) keystone

Warm up - -2013

If all members of a species disappear from Earth, the species is said to be

a) Extinctb) Endangeredc) Threatenedd) keystone

Did you Know?




Question:

Warm up 5-13-2013

A trait that helps an organism survive and reproduce is called a(n)

a) adaptationb) Variationc) Selectiond) mutation

Question:

Differences between members of the same species are called

a) traitsb) Variationsc) Selectionsd) predators

Warm up 5-14-2013Question: The place where an

organism lives and that provides the things the organism needs is called its

a) Populationb) Speciesc) Habitatd) community

The gradual change in species over time is called

a) variationb) Evolutionc) natural selectiond) adaptation

Warm up - -2013

The gradual change in species over time is called

a) variationb) Evolutionc) natural selectiond) adaptation

Did you Know?




Question:

Warm up - -2013

The place where an organism lives and that provides the things the organism needs is called its

a) Populationb) Speciesc) Habitatd) community

Did you Know?




Question:

Warm up 5-15-2013

Which term refers to the process by which individuals that are better adapted to their environment are more likely to survive and reproduce?

a) Natural selectionb) Competitionc) Variationd) overproduction

Question: Cloning results in two organisms that are

a) Genetically similarb) genetically

identicalc) both adult

mammalsd) produced from

cuttings

Warm up - -2013

An organism’s particular role in its habitat, or when and how it survives, is called its

a) Nicheb) carrying capacityc) Ecosystemd) competition

Did you Know?




Question:

Warm up - -2013

Which term refers to a species creating more offspring than can possibly survive?

a) Variationb) Overproductionc) natural selectiond) evolution

Did you Know?




Question:

Warm up 5-16-2013

An organism’s genotype is its

a) Physical appearanceb) feather colorc) genetic makeupd) stem height

Question:Which combination of sex chromosomes results in a male human being?

a) XXb) XYc) YYd) either XX or YY

Warm up - -2013

Which combination of sex chromosomes results in a male human being?

a) XXb) XYc) YYd) either XX or YY

Did you Know?




Question:

Warm up 5-17-2013

What is probability?

a) The way the results of one event affect the next event

b) a number that describes how likely it is that an event will occur

c) the actual results from a series of events

d) the number of times a coin lands heads up.

Question: What does a punnett square show?

a) only the recessive alleles in a genetic cross

b) all of Mendel's discoveries about genetic crosses

c) only the dominant alleles in a genetic cross

d) all the possible outcomes of a genetic cross

Warm up - -2013

Did you Know?




Question:

Warm up 5-21 -2013

A DNA molecule is shaped like a a) Triple helixb) Long,thin rodc) straight ladderd) twisted ladder

Question: Each skunk body cell has 50 chromosomes. How many chromosomes will each skunk sex cell (sperm or egg) have? a) 25b) 15c) 100d) 50

Warm up 5-22-2013

Scientists call an organism that has two different alleles for a trait a

a) Dominantb) Hybridc) Factord) purebred

Question:An organism that has two identical alleles for a trait is a) Dominantb) Hybridc) Factord) purebred

Warm up - -2013

Down Syndrome most often occurs when

a) Sickle-shaped cells become stuck in blood vessels

b) a person inherits a recessive allele

c) chromosomes fail to separate properly during meiosis

d) blood fails to clot properly

Did you Know?




Question:

Warm up - -2013

Mutualism, commensalism, and parasitism are the three types of

a) Competitionb) Predationc) prey adaptationsd) symbiotic relationships

Did you Know?




Question:

Warm up - -2013

Vultures, which feed on the bodies of dead organisms, are

a) First-level consumersb) Scavengersc) Herbivoresd) producers

Did you Know?




Question:

Warm up - -2013

Each skunk body cell has 50 chromosomes. How many chromosomes will each skunk sex cell (sperm or egg) have? a) 25b) 15c) 100d) 50

Did you Know?




Question:

Warm up - -2013

What genetic disorder results in abnormally shaped blood cells?

The way the results of one event affect the next eventa number that describes how likely it is that an even will occurthe actual results from a series of eventsthe number of times a coin lands heads up

Did you Know?




Question:

Warm up - -2013

Cloning results in two organisms that are

a) Genetically similarb) genetically identicalc) both adult mammalsd) produced from cuttings

Did you Know?




Question:

Warm up - -2013

What are multiple alleles?

a) Three or more forms of a gene that code for a single trait

b) more that two genes that control a trait

c) three or more chromosomes that determine a trait

d) more than two co dominant genes in a chromosome

Did you Know?




Question:

Warm up - -2013

Why are sex-linked traits more common in males than in female?

a) In males, there is usually no matching allele on the Y chromosomes to mask the allele on the X chromosome

b) in males any alleles on the Y chromosome will be codominant with the matching allele on the x chromosome

c) in males all alleles on the Y chromosome are recessive

d) in males all alleles on the X chromosome are dominant

Did you Know?




Question:

Warm up - -2013

Genetic disorders are caused by dominant alleles only

a) recessive alleles onlyb) Pedigreesc) DNA mutationsd) changes in chromosomes

Did you Know?




Question:

Warm up - -2013

The application of a technological process, invention, or method to living organisms is called a) Genetic engineeringb) Bioengineeringc) genetic screeningd) biotechnology

Did you Know?




Question:

Warm up - -2013

Population density is defined as

a) The number of individuals moving into a population

b) the smallest level of ecological organization

c) an approximation of a number based on reasonable assumptions

d) the number of individuals of a population in a specific area

Did you Know?




Question:

Warm up - -2013

An organism that has two identical alleles for a trait is a) Dominantb) Hybridc) Factord) purebred

Did you Know?




Question:

Warm up - -2013

When sex cells combine to produce offspring, each sex cell will contribute a) one fourth the number of

chromosomes in body cellsb) the normal number of

chromosomes in body cellsc) twice the number of

chromosomes in body cellsd) half the number of

chromosomes in body cells

Did you Know?




Question:

Warm up - -2013

The different forms of a gene are called

a) Allelesb) Masksc) Factorsd) traits

Did you Know?




Question:

Warm up - -2013

An organism’s physical appearance is its

a) Dominanceb) Genotypesc) Alleled) phenotype

Did you Know?




Question:

Warm up - -2013

Factors that control traits are called a) Recessivesb) Parentsc) Purebredsd) genes

Did you Know?




Question:

Warm up - -2013

What are multiple alleles?

a) Three or more forms of a gene that code for a single trait

b) more that two genes that control a trait

c) three or more chromosomes that determine a trait

d) more than two co dominant genes in a chromosome

Did you Know?




Question:

Warm up - -2013

What does the notation Tt mean to geneticists?

a) Two dominant allelesb) one dominant allele

and one recessive allelec) two recessive allelesd) homozygous alleles

Did you Know?




Question:

Warm up - -2013

What does the notation TT mean to geneticists? One dominant and one

a) recessive alleleb) heterozygous allelesc) at least one dominant

alleled) two dominant alleles

Did you Know?




Question:

Warm up - -2013

What forms a genetic code?

a) The number of phosphates in a DNA strand

b) the order of nitrogen bases along a gene

c) the order of proteins along a gene

d) the number of daughter cells in an organism

Did you Know?




Question:

Warm up - -2013

A heterozygous organism has

a) Two different alleles for a trait

b) two identical alleles for a trait

c) three different alleles for a trait

d) only one allele for a trait

Did you Know?




Question:

Warm up - -2013

Chromosomes are made up of

a) A phenotype and genotype

b) male and female sex cellsc) many genes joined

togetherd) one pair of alleles

Did you Know?




Question:

Warm up - -2013

What is a pedigree? a) An allele passed from parent to

child on a sec chromosomeb) a chart that tracks which

members of a family have a particular trait

c) a geneticist who studies the inheritance of traits in humans

d) or a picture of all the chromosomes in a cell

Did you Know?




Question:

Warm up - -2013

A carrier is a person who has

a) Two dominant alleles for a trait

b) more than two alleles for a trait

c) two recessive alleles for a trait

d) one recessive and one dominant allele for a trait

Did you Know?




Question:

Warm up - -2013

What must occur for a girl to be colorblind?

a) Each parent must be colorblindb) each parent must have the

recessive allele for colorblindnessc) each parent must have two

codominant alleles for colorblindness

d) each parent must have the dominant allele for colorblindness

Did you Know?




Question:

Warm up - -2013

Sex-linked genes are genes on

a) The X chromosome onlyb) the X and the Y

chromosomesc) the Y chromosome onlyd) all 23 pairs of

chromosomes

Did you Know?




Question:

Warm up - -2013

The first organism in a food chain is always a

a) Producerb) Consumerc) Carnivored) herbivore

Did you Know?




Question:

Warm up - -2013

The smallest unit of ecological organization is a single

a) Ecosystemb) Populationc) Organismd) community

Did you Know?




Question:

Warm up - -2013

All the different populations that live together in an area make up a(n)

a) Speciesb) Ecosystemc) Communityd) organism

Did you Know?




Question:

Warm up - -2013

Consumers that eat both plants and animals are called

a) Omnivoresb) Carnivoresc) Scavengersd) herbivores

Did you Know?




Question:

Warm up - -2013

Which of the following is a biotic factor in the prairie ecosystem?

a) Grassb) Waterc) Sunlightd) soil

Did you Know?




Question:

Warm up - -2013

An organism that can make its own food is called a

a) Producerb) Consumerc) Scavengerd) decomposer

Did you Know?




Question:

Warm up - -2013

The nonliving parts of an ecosystem are called

a) Organismsb) Populationsc) biotic factorsd) abiotic factors

Did you Know?




Question:

Warm up - -2013

Stress that pushes a mass of rock in two opposite directions is called

a) Compressionb) Shearingc) Deformationd) tension

Did you Know?

The First Clicker

The first TV remote control was named "Lazy Bones"!

Created by the Zenith Radio Corporation in 1950, it

connected to the TV by a wire. In 1955, the company introduced the first wireless remote, the "Flashmatic," which used a beam of light

to change channels.

Question:

Warm up 4-10-2013

Which type of stress produces reverse faults?

a) Compressionb) Deformationc) Tensiond) shearing

Did you Know?




Question:

warm up 1-10-2013

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