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Chapter 13 & 14 Test Review: Heat, Temp., Work, & Energy

Total questions: 36

Worksheet time: 25mins

Name
Class
Date
1.

Kinetic energy is the energy an object has due to its

a)

mass

b)

weight

c)

motion

d)

position

2.
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
3.
Measures how fast or how slow molecules are moving
a)
Thermometer
b)
Temperature
c)
Heat
d)
All of them
4.

Convert 20°C into °F.

a)

7.2°C

b)

32°C

c)

75.2°F

d)

°68

5.
Device/Object that measures temperature. 
a)
Thermal energy
b)
Temperature
c)
Thermometer
d)
Heat
6.

What is the gravitational potential energy of a 26 kg eagle, flying at an altitude of 65 m at a speed of 19 m/s?

a)

32,110 J

b)

1690 J

c)

172.4 J

d)

16,562 J

7.
The slower molecules move, 
a)
the higher the temperature
b)
the less temperature
c)
the same temperature
d)
I don't know
8.
Boiling water has more temperature than cold water because...
a)
its molecules are moving MORE
b)
its molecules are moving LESS
c)
it has more molecules
d)
I don't know
9.

We measure temperature in degrees...

a)

Fahrenheit

b)

Celsius

c)

Both Celsius and Fahrenheit

d)

Kelvin

e)

All of the above

10.

Convert 589 Kelvin into °C.

a)

252K

b)

316°C

c)

303K

d)

-163°C

11.
In nature, heat always flows from a:
a)
cold object to a warm object.
b)
small object to a big object.
c)
warm object to a cold object.
d)
large object to a small object.
12.
If two objects have reached the same temperature they have reached:
a)
a melting point.
b)
a boiling point.
c)
thermal equilibrium.
d)
specific heat.
13.
All matter is made of _____ that are constanly moving.
a)
insulators
b)
particles
c)
convection
d)
pieces of plastic
14.
As the kinetic energy of the molecules in a substance increases, the temperature of the substance __________.
a)
increases
b)
decreases
15.
Which direction is heat flowing in the picture?
a)
from the hand to the ice
b)
from the ice to the hand
c)
heat is not being transferred
d)
there is no way to tell
16.

The ability to do work (move) is called...

a)

Matter

b)

Energy

c)

Weight

d)

Force

17.

True or false: Energy cannot change from one type to another.

a)

True

b)

False

18.

Convert -21°C into Kelvin.

a)

252K

b)

316°C

c)

303K

d)

-163°C

19.

Which of the following is an example of thermal energy?

a)

A light bulb

b)

The movement of a car

c)

The digestion of food

d)

Heat from a fire

20.

At which point does the ball has the greatest gravitational potential energy (GPE)?

a)

A

b)

G

c)

D

d)

C

e)

G

21.

Which would have the LEAST gravitational potential energy (GPE)?

a)

A ball sitting on the ground

b)

Moon viewed from the Earth

c)

An airplane flying 30,000 feet above the ground

d)

A rock sitting on top of Mt. Everest

22.

Convert 89°F into °C.

a)

7.2°C

b)

32°C

c)

32°F

d)

212°F

23.

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

24.

You throw a ball into the air as shown in the diagram. At what point does the ball have the most gravitational potential energy?

a)

W

b)

X

c)

Y

d)

Z

25.

Which is the correct unit for expressing gravitational potential energy?

a)

Joule

b)

Newton

c)

m/s2

d)

meter

26.

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

27.

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

28.

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

29.

An Olympic high jumper, with a mass of 82 kg, has a maximum gravitational potential energy of 1970 J. How high was the jump?

a)

24 m

b)

161,540 m

c)

2.5 m

d)

201 m

30.

What can you say about the potential energy of the two sleds shown above?

a)

Sled B has more potential energy.

b)

There is not enough information to know which sled has more potential energy.

c)

The two sleds have the same potential energy.

d)

Sled A has more potential energy.

31.

Which of the following is a correct statement?

a)

Both the mass and speed of an object affect the amount of kinetic energy it will have.

b)

Only the speed of an object affects the amount of kinetic energy it will have.

c)

Only the mass of an object affects the amount of kinetic energy it will have.

d)

Neither the mass nor speed of an object affects the amount of kinetic energy; only the height of the object.

32.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
c)
Both potential and kinetic energy
d)
none of the above
33.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
c)
Both potential and kinetic energy
d)
none of the above
34.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill 
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall 
d)
d. a piece of coal before it's burned 
35.
A moving 10 kilogram object has 20 Joules of KE. What is its velocity?
a)
2 m/s
b)
4 m/s
c)
200 m/s
d)
10 m/s
36.

Units of force are...

a)

Newtons

b)

Grams

c)

Joules

d)

Meters

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