astronomy common assessment review and learning targets
TRANSCRIPT
Astronomy Common Assessment Review and Learning Targets
We are learning to: describe how objects in the solar system are in regular and predictable motions that explain days, years, and seasons.
We are looking for: description of: • Days- Earth rotates on its axis every 24 hours• Years-Earth revolves around the sun 365.25 days• Seasons-Earth revolves around the sun as the Earth is
tilted on its axis
Why do we have night and day?
A. Earth’s rotationB. Earth’s revolutionC. Tilt of the Earth on
its axisD. I need Help!
What causes Earth to experience different seasons?
A. It rotates on its axis while it revolves around the sun
B. It revolves on its axis while it rotates around the sun
C. It is tilted while it rotates around the sun.
D. It is tilted while it revolves around the sun.
E. I need help!
If the Earth’s Revolution was slower, we would experience
A. Longer daysB. Shorter daysC. Longer yearsD. Shorter yearsE. I need help!
Of the following, which does not affect seasons?
A. Earth is tilted 23.5 degrees
B. The Earth revolves around the sun
C. The Earth’s distance from the sun
D. I need help!
We are learning to: describe how objects in the solar system are in regular and predictable motions that explain phases (moon cycles), eclipses, tides We are looking for: a description of -Phases-moon revolves around the Earth approximately once a month
-Eclipse-are random predictable; one object moves in front of another object in relation to the position of the sun
-Tides-high tide occurs approximately twice a day due to the gravitational pull of the moon
Which phase occurs when the moon is in between the Earth and the sun?
A. Full moonB. New moon C. 1st Quarter moonD. 3rd quarter moon
What causes us to see different phases of the moon?
A. Light refracts off of the surface of the moon.
B. The moon rotates around the Earth.
C. We see different perspectives of the moon.
D. I need help!
What is the main cause of tides?
A. The gravitational pull of the moon
B. The gravitational pull of the sun
C. The gravitational pull of the Earth
D. I need help!
If the sun, moon, and Earth are perfectly aligned (as pictured), what event will occur on Earth?
A. Neap TideB. Solar EclipseC. Lunar EclipseD. Seasonal Change
When studying a solar eclipse, which would be a proper method of viewing the sun?
A. Wear sunglassesB. Use a telescopeC. Use a magnifying glassD. Use filters that are
specifically designed to view eclipses
E. I need help!
We are learning to: explain that gravitational force determines motions in the solar system and keeps the planets in orbit around the sun. We are looking for: explanation that
*All objects in the solar system have gravity.
*Sun has the greatest mass, thus has the greatest gravitational pull within our solar system.
*Since planets have inertia, they do not get pulled into the sun.
*Gravity keeps the planets in orbit.
What is an object’s resistance to a change in motion?
A. GravityB. InertiaC. MassD. FrictionE. I need help!
Predict what would happen if Earth stopped its forward motion around the sun?
A. It will fly off into space.B. It will hit the nearest
planet.C. It will get pulled into the
sun.D. It will continue to revolve.
What keeps planets revolving around the sun?
A. The sun’s gravitational pull.
B. The planet’s mass.C. The planet’s magnetic
field.D. The Sun’s inertia.E. I need help!
We are learning to: *Compare the composition and orbits of comets and asteroids with that of Earth.
We are looking for: Composition of comets, asteroids, and Earth1. Earth is composed of rock with many layers and has a core of dense metal2.Comets are composed of ice and dust (dirty snowball)3. Asteroids are composed of chunks of solid rock with heavy metalOrbits of comets, asteroids, and Earth’s1. Earth’s orbit is elliptical 2. Comet’s orbit is elongated and elliptical 3. Asteroids are irregularly shaped and orbit in the asteroid belt
We are learning to: Describe the effect that asteroids or meteoroids have when traveling through space and entering planetary atmospheres.
We are looking for: 1. Asteroids are large rocky objects that orbit the sun. If they hit
the Earth the impact could be catastrophic. 2. Meteorites are small rocky objects hit the Earth all the time
and do not cause much damage. 3. A rock changes its classification based on its location:
Meteoroid – rock located in outer spaceMeteor – rock burning up in the Earth’s atmosphere (Shooting Star/Meteor Shower)Meteorite – rock that hits the ground
An icy object that has an elongated orbit around the sun is referred to as a(n)….
A. AsteroidB. CometC. MeteorD. MeteoriteE. I don’t know!
The flash of light produced when a meteoroid passes through the Earth’s atmosphere is a(n)
A. AsteroidB. CometC. MeteorD. MeteoriteE. I don’t know!
Why does a meteoroid create a streak of light when entering the Earth’s atmosphere?
A. Light from the sun is reflected off the surface of each
B. Energy is released from the objects
C. Lightning is produced from these objects
D. Light is a result of friction from the gasses in the atmosphere
E. I don’t know!
Which of the following applies to meteoroids and asteroids.
A. They are similar in size.B. They are rocky and/or
metallic.C. They are composed of
frozen gases, ice, and dust.D. They orbit the sun in
highly elliptical patterns. E. I don’t know!
Which of the following objects would cause the most damage if it hit the Earth?
A. AsteroidB. MeteoroidC. MeteoriteD. MeteorE. I don’t know!
We are learning to: identify and describe telescopes, probes, satellites, and space crafts We are looking for:telescope- refracting, reflecting, and radio are used to view distant objects
probe-machines sent to other locations in the solar system and are used to investigate/explore
satellite-orbits around the earth or other planets and are used to take photos and collect data
space craft-mode of transportation to send humans to locations in the solar system;
We are learning to: examine advances of different people, culture, and times in astronomy.
We are looking for: examples of how telescopes have changed and been
improved over time and their impact on science and technology .
Which type of telescope focuses light using a mirror?
A. Reflecting TelescopeB. Refracting TelescopeC. Radio TelescopeD. Infrared TelescopeE. I need help!
One of the greatest advancements in astronomy was the telescope. Which is the
correct order of advancements?
A. Radio- refracting-reflectingB. Reflecting – refracting –radioC. Refracting-reflecting-radioD. Radio- reflecting-refractingE. I need help!
Which type of telescope focuses light through transparent lenses?
A. Reflecting TelescopeB. Refracting TelescopeC. Radio TelescopeD. Infrared TelescopeE. I need Help!
Which of the following is an advantage of a space-based, satellite telescope like Hubble?
A. Satellite telescopes are much closer to the stars.
B. Satellite telescopes are able to see through solid objects.
C. Satellite telescopes can detect wavelengths that are blocked by the atmosphere.
D. Satellite telescopes have the ability to see the future.
E. I need help!
We are learning to: explain interstellar distances are measured in light years We are looking for: the explanation of and the use of the light year
*explain a light year as the distance light travels in a year
*explain that distances are too great to be measured in miles or kilometers
A light year is a measurement of…
a) Distanceb) Timec) Speedd) Acceleratione) I don’t know! I need
help!
Why do astronomers measure interstellar distances in light years instead of kilometers or
miles?
A. Light years are a measure of time.
B. Miles and kilometers are too small of a unit.
C. Miles and kilometers are too large of a unit.
D. I don’t know! I need help!
You are viewing a star that is 20 light years away. When was the light from this star produced?
a) Before you were born
b) After you were bornc) 10 years agod) 2 years agoe) I don’t know! I need
help!
We are learning to: examine the life cycle of a star (characteristics; HR diagram)
We are looking for: a description of how stars are classified by
characteristics and then organized on an HR diagram.CharacteristicsSize- Giant, main sequence, and dwarfTemperature- blue=hot; red=coolerBrightness- apparent brightness and absolute magnitudeHR diagram shows temperature, brightness, color of stars and where the star is in its life cycle.
Used to graph the surface temperature (x-axis) vs. brightness (y-axis) Hotter stars are on left side of graph; cooler stars on the right side of the
graph Brighter stars on top of graph; dimmer stars on bottom of graph
Which characteristic of stars cause them to be different colors?
a) chemical composition
b) distancec) sized) temperaturee) I need help.
Which color would describe the youngest and hottest star?
a) blueb) redc) oranged) yellowe) I need help!
Which star would be the brightest if all the stars are the same distance from Earth?
a) Main sequenceb) Neutron Starc) Red super giantsd) White dwarfe) I need help.
How would you classify our star, the sun, on the H-R diagram?
a) Main sequenceb) Red giantc) White dwarfd) Red supergiante) I need help.
We are learning to: Examine the life cycle of a star and predict the next likely stage .
We are looking for: progression of the stages of a star’s life
Nebulae- cloud of gas and dust Protostar- fusion beginsMain sequence- average starGiant/red-giant- more massive starsNova/supernova - exploding starWhite dwarf- no nuclear processBlack dwarf- no heat or lightBlack Hole (area of large gravitational attraction) or Neutron star (very
dense star)
If given a protostar, what is the next likely stage of the star?
a) Super Giantb) Novac) Main Sequenced) Neutron Stare) I need some help
What is the first stage of the birth of a star?
a) Protostarb) Nebulac) Giantd) Dwarfe) I need some help.
What happens to the most massive stars as they near their death?
a) super nova to a black hole
b) super nova to a red giant
c) becomes a white dwarf
d) nothing happense) I need some help.
What is the next likely stage of our sun?
a) White dwarfb) Black dwarfc) Red giantd) Super novae) I need help
We are learning to: explain that universe has billions of galaxies and are classified by shape
We are looking for: shapes of galaxies•Spiral- mix of old and new stars•Elliptical- more developed galaxies with older stars•Irregular-newer galaxies with newer stars
By what are galaxies classified?
a) Colorb) Temperaturec) Sized) Shape
What type of galaxy is illustrated in the following picture?
a) Irregularb) Spiralc) Ellipticald) I have no idea.. I
need help!
Type of Galaxy Elliptical
Shape of Galaxy
Spiral Irregular
(Draw Diagram)
Types of stars Mix of old and new stars
More developed galaxies with older
stars
Newer galaxies with newer stars