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Review for Test (Ch5)

Total questions: 54

Worksheet time: 50mins

Name
Class
Date
1.

the measurement of the force of gravity on an object

a)

mass

b)

speed

c)

weight

d)

motion

2.

speed with a direction

a)

motion

b)

velocity

c)

acceleration

d)

distance

3.

the capacity necessary to do work; controls the amount of change that can occur within a system

a)

speed

b)

joule

c)

momentum

d)

energy

4.

energy of motion

a)

kinetic energy

b)

potential energy

c)

movement

d)

work

5.

energy cannot be created or destroyed, only transferred

a)

Law of conservation of matter

b)

Law of conservation of energy

c)

Law of energy transfer

d)

Law of the universe

6.

the standard international unit for energy

a)

newton

b)

joule

c)

kilogram

d)

m/s/s

7.

speed up, slow down, change direction

a)

speed

b)

motion

c)

movement

d)

acceleration

8.
Calculate the KE of a moving 4 kilogram object traveling at a velocity of 3 m/s.
a)
18 J
b)
36 J
c)
12 J
d)
6 J
9.
How much KE does a moving 6 kilogram object have if it moves with a velocity of 3 m/s?
a)
27 J
b)
18 J
c)
9 J
d)
2 J
10.
As mass increases, KE ...
a)
increases
b)
decreases
c)
stays the same
11.
As the velocity of an object decreases its KE will...
a)
increase
b)
decrease
c)
stay the same
12.
The PE of a boulder on a hill will be ______ the KE of the boulder as it rolls down the hill.
a)
greater than
b)
less than
c)
the same as
13.

Kinetic energy is...

a)

energy carried in ultraviolet waves

b)

energy stored in food

c)

energy in motion

d)

energy from splitting an atom

14.

What two factors affect an object's kinetic energy?

a)

area and volume

b)

mass and weight

c)

weight and height

d)

mass and speed

15.

Mass and speed both affect the amount of kinetic energy an object has, but ____________ has a greater effect.

a)

mass

b)

speed

c)

volume

d)

weight

16.

If all objects are moving as the exact same speed, which would have the greatest kinetic energy?

a)

tennis ball

b)

football

c)

notebook

d)

box of 20 textbooks

17.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
18.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
19.
What kind of energy is in a stretched rubber band?
a)
Potential
b)
Kinetic
20.
Explain what happens to the potential energy of a rock as it falls off the side of a cliff.
a)
The kinetic energy decreases as the potential energy increases.
b)
The kinetic energy decreases as the potential energy decreases.
c)
The potential energy decreases as the kinetic energy increases.
d)
The potential energy decreases as the kinetic energy decreases. 
21.

Energy stored because of gravity is called:

a)

Gravitational Potential Energy

b)

Kinetic Energy

c)

Mechanical Advantage

d)

Chemical Energy

22.

How could you increase the gravitational potential energy of an object without changing its mass and gravity?

a)

Make the object larger

b)

Lower the object towards the ground

c)

Raise the object farther off the ground

d)

Allow the object to roll on the ground

23.

Gravitational potential energy depends on the strength of gravity, ________ and ________ of the object.

a)

height and mass

b)

friction and movement

c)

mass and movement

d)

height and friction

24.

Which of the following is the correct equation for calculating an object's gravitational potential energy?

a)

PE = mgh

b)

PE = mg / h

c)

PE = mg + h

d)

PE = gh

25.

What is the value of the Earth's acceleration due to gravity (g)?

a)

9.8 m/s2

b)

100 m/s2

c)

25 m/s2

d)

3.14 m/s2

26.

What is the gravitational potential energy (GPE) of a 1 kilogram book that is 1 meter above the ground?

g = 9.8 m/s2

a)

9.8 Joules

b)

1.0 Joule

c)

0.10 Joule

d)

11.8 m/s2

27.

What is potential energy?

a)

The energy an object has due to its position or condition.

b)

The energy an object has due to its motion.

c)

The energy an object has due to its chemical composition.

d)

The energy as object has due to its atomic structure.

28.

All of the pictures are examples of what type of energy?

a)

gravitational potential energy

b)

elastic potential energy

c)

chemical potential energy

d)

kinetic potential energy

29.

Which object has elastic potential energy?

a)

a hanging leaf

b)

a burning coal

c)

a rolling ball

d)

a stretched bow

30.
Wood, batteries, gasoline, and  food are all examples of ________________________.
a)
gravitational potential energy
b)
elastic potential energy
c)
chemical potential energy
d)
None of the above
31.
What kind of energy is in flowerpot sitting on a windowsill?
a)
Potential
b)
Kinetic
32.
Can energy be destroyed?
a)
no
b)
yes
33.
Can energy be changed?
a)
yes
b)
no
34.
Energy stored by things that stretch
a)
Kinetic Energy
b)
Gravitational Potential Energy
Energy
c)
Chemical Potential Energy
d)
Elastic Potential Energy
35.

What force causes a roller coaster cart to slow down the most?

a)

friction

b)

weight

c)

gravity

d)

air resistance

36.
What energy transformation occurs from a light bulb? 
a)
Electrical energy = kinetic energy + potential energy 
b)
Electrical energy = electrical energy 
c)
Electrical energy = chemical energy 
d)
Electrical energy = light energy + thermal energy 
37.
The law of energy conservation says the total energy before the change _______ the total energy after it
a)
is less than
b)
is more than
c)
affects
d)
equals
38.
Energy can be created.
a)
True
b)
False
39.
Roller coasters slow down because their energy disappears.  
a)
True 
b)
False
40.

Which form of energy is represented in this image?

a)

kinetic

b)

thermal

c)

potential

d)

radiant

41.

What happens when the ball goes from the highest position to the lowest position

a)

PE and KE increases and decreases together

b)

Impossible to know without knowing the mass of the object

c)

the PE decreases while KE increases

42.

Identify the correct energy transformation for the image below. 

a)

Chemical --> Radiant --> Thermal

b)

Sound --> Thermal --> Radiant

c)

Kinetic --> Potential --> Sound

d)

Electrical --> Sound --> Thermal

43.

What is the energy transformation that occurs in an electric pencil sharpener?

a)

mechanical energy → electrical energy

b)

electrical energy → kinetic energy

c)

radiant energy → sound energy

d)

chemical energy → kinetic energy

44.

Which object shows an energy transformation from electrical → kinetic → sound?

a)
b)
c)
d)
45.

Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?

a)

Chemical → light

b)

Electrical → chemical

c)

Electrical → light

d)

Chemical → electrical

46.

What energy transformations take place when a battery-operated radio is in use?

a)

Electrical → chemical → light

b)

Sound → chemical → thermal

c)

Chemical → electrical → sound

d)

Light → electrical → thermal

47.

A student listens to music with a digital music player, similar to the one shown below. Which best describes the energy transformations that take place in the music player?

a)

Kinetic → chemical → electrical

b)

Chemical → sound → electrical

c)

Chemical → electrical → sound

d)

Electrical → heat → sound

48.
If the Total Mechanical Energy is 50J, Potential Energy is 40 J, what is the Kinetic Energy?
a)
1 J
b)
10 J
c)
90 J
49.
What is the g? Choose the one with the correct unit!
a)
mass (kg)
b)
gravity (m/s)
c)
gravity (m/s2)
d)
grams (g)
50.
What is the v in this equation? Choose the one with the CORRECT unit!
a)
volume (m3)
b)
velocity (m/s)
c)
velocity (m/s2)
d)
volume (v)
51.
At which point(s) on the roller coaster is the kinetic energy at its maximum?
a)
A
b)
B
c)
C
d)
D
52.
At which point(s) on the roller coaster is the gravitational potential energy at its maximum?
a)
A
b)
B
c)
C
d)
D
53.
Which energy transformation below matches?
Water moving over a dam to move a generator?
a)
kinetic to chemical
b)
kinetic to electrical
c)
solar to electrical
54.
Which energy transformation below matches?
A book falling?
a)
chemical to sound and heat
b)
kinetic to sound and heat
c)
electrical to sound and heat

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