which force keeps the masses together? 1. ans. #1 gravity
TRANSCRIPT
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Which force keeps the masses together?
1
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Ans. #1
Gravity
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What is occurring in the graph below?
2
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Ans. #2
Constant speed
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What is the speed of the bicycle?
3
5 10
15
20
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Ans. #3
5 m/s
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What is the average speed of the motorcycle?
4
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Ans. #4
25 m/h
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Is this an illustration of a balanced or unbalanced force?
5
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Ans. #5
Balanced
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What simple machine will reduce the force needed to help this man get the boxes into the
truck?
6
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Ans. #6
Inclined plane
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What is the relationship between the direction of the applied force
and the direction of the load?
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Ans. #7
When applied force goes down, load
goes up.
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What energy transformation occurs in the lamp?
8
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Ans. #8
Electrical Light Heat (or thermal)
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Which picture is demonstrating potential energy and which is demonstrating kinetic energy?
9
AB
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Ans. #9
A=KE B=PE
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Is this an illustration of potential energy to kinetic energy (PEKE) or kinetic energy to potential energy (KEPE)?
10
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Ans. #10
KE to PE
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Read the table below. Are these characteristics of a metal or a nonmetal?
11
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Ans. #11
Metal
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Label each position along the rollercoaster with PE, GPE, KE, or GKE.
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Ans. #12
#1=GPE#2=GKE#3=PE#4=KE
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Which slant on the inclined plane will give a greater mechanical advantage and why?
13
A B
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Ans. #13
B-ramp is longer but angle is smaller
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A metal spoon is a good conductor of heat. What will happen to the cook’s hand because of that?
14
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Ans. #14
She will burn her hand.
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What geological formation is occurring at the boundary
between the Antarctic Plate and the Indo-Australian Plate ?
15
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Ans. #15
Ocean ridge
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Which picture is demonstrating an unbalanced force?
16
A B
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Ans. #16
B
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You have a cooler filled with ice water & coffee. When you take out the drinks, what will
you find and why?
17
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Ans. #17
The drinks will be the same temperature
because the coffee will have given its heat to the
ice water to maintain equilibrium.
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What does the Law of Conservation of Energy state?
18
Energy cannot be created or destroyed.
Input energy equals output energy.
A B
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Ans. #18
A
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List the energy transformations occurring in
the picture below.
19
Riley per. 5
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Ans. #19
Radiant Mechanical Electrical
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Which list contains the 4 kingdoms that belong to
Domain Eukarya?
20
EubacteriaArchaeabacteriaFungiPlantae A
AnimaliaBacteriaFungiProtista
B
AnimaliaFungiPlantaeProtista
C
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Ans. #20
C
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We know that 100% of the transformed energy is never 100% used. Where does that
remaining energy go?
21
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Ans. #21
It escapes to the environment as heat.
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What type of energy is represented by the following?
22
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Ans. #22
Electrical
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What energy transformations are occurring in the following?
23
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Ans. #23
Chemical Light & Heat (or thermal)
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Which object can be identified, if the volume is 25 mL and the
mass is 100 g?
24
Arielle per. 5
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Ans. #24
B
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Which group contains only compounds?
25
AB
Zack per. 6
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Ans. #25
B
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Explain what is happening to Dan as he goes for a walk.
26
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Ans. #26
He’s moving at a constant speed, then he stops for 30 minutes, then he moves at a constant speed, then he stops for 1 hour, then he
moves at a constant speed, returning home.
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Out of this list, which ones are the 3 Domains?
27
AnimaliaEukaryaBacteria FungiPlantaeEubacteriaProtistaArchaea
Joe per. 3
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Ans. #27
Archaea, Bacteria, Eukarya
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What safety equipment is needed for the picture below?
28
Ava per. 5, Jordan per. 6
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Ans. #28
Goggles, heat-resistant gloves, apron
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29
Aila per. 6
All organisms are made of cells. A cell is the basic unit of life. All cells come from existing cells.
What is the name of this theory?
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Ans. #29
The Cell Theory
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30
Lauren per. 4, Caitlyn per. 6
True or False? When a biotic factor dies, it becomes an
abiotic factor.
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Ans. #30
False
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31
Jordan per. 3, Grant per. 3
What 2 forces make sedimentary rock?
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Ans. #31
Compaction & Cementation
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32
Zack per. 6
What is John’s average speed?
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Ans. #32
15 km/h
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33
Brianna per. 6
What is scientific name for a “shooting star”?
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Ans. #33
Meteor