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Forms of Energy

Total questions: 41

Worksheet time: 52mins

Name
Class
Date
1.

Energy from movement of electrons

a)

electrical energy

b)

radiant energy

c)

nuclear energy

d)

chemical energy

2.

Energy that comes from a vibrating source and travels through solids, liquids, and gases. Cannot travel through empty space.

a)

gravitational energy

b)

thermal energy

c)

sound energy

d)

elastic energy

3.

Energy that comes from vibrating atoms and molecules. All atoms and molecules are always moving and vibrating, except absolute zero. This can be generated from friction.

a)

nuclear energy

b)

mechanical energy

c)

sound energy

d)

thermal energy

4.

Energy due to position. Based on height and mass

a)

mechanical energy

b)

gravitational energy

c)

elastic energy

d)

electrical energy

5.

Any king of potential or kinetic energy

a)

mechanical energy

b)

gravitational energy

c)

elastic energy

d)

electrical energy

6.

Energy from atoms combining or splitting

a)

mechanical energy

b)

radiant energy

c)

chemical energy

d)

nuclear energy

7.

Energy from the entire electromagnetic spectrum, including visible light. Can travel through space

a)

chemical energy

b)

radiant energy

c)

thermal energy

d)

gravitational energy

8.

Energy stored in bonds and released or absorbed during reactions

a)

thermal energy

b)

nuclear energy

c)

radiant energy

d)

chemical energy

9.

Energy from compressing or stretching an object

a)

gravitational energy

b)

mechanical energy

c)

electrical energy

d)

elastic energy

10.
a)

radiant

b)

nuclear

c)

chemical

d)

thermal

11.
a)

chemical

b)

elastic

c)

sound

d)

thermal

12.
a)

mechanical

b)

radiant

c)

sound

d)

chemical

13.
a)

mechanical

b)

nuclear

c)

radiant

d)

chemical

14.
a)

mechanical

b)

gravitational

c)

elastic

d)

thermal

15.
a)

gravitational

b)

mechanical

c)

sound

d)

thermal

16.
a)

elastic

b)

mechanical

c)

gravitational

d)

thermal

17.
a)

nuclear

b)

thermal

c)

gravitational

d)

chemical

18.
a)

thermal

b)

elastic

c)

electric

d)

mechanical

19.
a)

gravitational

b)

elastic

c)

mechanical

d)

electric

20.
a)

thermal

b)

nuclear

c)

electric

d)

mechanical

21.
a)

radiant

b)

thermal

c)

chemical

d)

sound

22.
Gravitational potential energy depends on the ________ and ________ of the object. 
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction 
23.

Calculate the potential energy of a car with a mass of 2,500 kg that is on a hill 100 meters above sea level.

PE = mgh

a)

250,000 J

b)

2,450,000 J

c)

2,451,663 J

d)

248 J

24.

Lilly's cat ran through your yard. The cat has a mass of 5 kg. He is running at a speed of 3 m/s. What is the kinetic energy of the cat as he runs?

KE = (0.5)mv2

a)

8.5 J

b)

45 J

c)

7.5 J

d)

22.5 J

25.
which point has the most potential energy
a)

a

b)

c

c)

d

d)

f

26.

What is the gravitational potential energy of an 85 kg mountain climber at the summit of a 6267 m volcano?

a)

5,220,411 J

b)

532,695 J

c)

73.7 J

d)

54,356.6 J

27.
What are the two factors that affect kinetic energy?
a)
time and energy
b)
power and mass
c)
mass and speed
d)
time and work
28.
Can you create or destroy energy?
a)
Yes
b)
No
c)
only if you are really strong
29.

If a rollercoaster has 2,000,000 Joules of kinetic energy at it's fastest point in the ride, how many Joules of potential energy did it have at it's highest point?

a)

0 J

b)

2,000,000 J

c)

1,000,000 J

d)

Need mass to calculate

30.

A rollercoaster cart has a mass of 4,500 kg and is about to drop from it's greatest height of 255. If the potential energy at this height is 3,427,628.4 Joules, what is the predicted highest velocity of the rollercoaster?

a)

39 m/s

b)

1,523 m/s

c)

45 m/s

d)

33 m/s

31.

What is the unit for energy?

a)

kilogram (kg)

b)

meter (m)

c)

Newton (N)

d)

Joule (J)

32.

Which of these has the most potential energy?

a)
b)
c)
d)
33.

What is the mass of a ball has a kinetic energy of 450 J, what must it mass be if it is traveling through the air at 30 m/s?

a)

0.25 kg

b)

15 kg

c)

1 kg

d)

0.50 kg

34.

Which of the following has the GREATEST IMPACT on the kinetic energy of an object and why?

a)

Mass because very small and very large things can't have the same kinetic energy.

b)

Velocity because its value is squared.

c)

Height because it can be a very large number.

d)

The acceleration due to gravity because it is acceleration which is more than velocity.

35.

A skydiver jumps from a plane and is halfway through her descent. At this point in time she has:

a)

Kinetic Energy

b)

Gravitational Potential Energy

c)

Both Kinetic and Gravitational Potential Energy

d)

She has no energy

36.

A golf ball has a mass of 0.046 kg. It is dropped and has 1.1 J of gravitational potential energy (gravity = 9.8 m/s2). What height was it dropped from?

a)

2.4 meters

b)

234 meters

c)

0.41 meters

d)

There isn't enough information to determine the height.

37.

What is the kinetic energy at position Y? (ignore friction)

a)

0J

b)

10,000J

c)

20,000J

d)

can not be determined

38.
What is the mass of a moving object that has 100 Joules of kinetic energy and moves at a velocity of 2 m/s?
a)
50 kg
b)
200 kg
c)
25 kg
d)
100 kg
39.

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

40.
There is a bell at the top of a tower that is 45 m high. The bell weighs 100 kg. What is the potential energy of the bell?
a)
980 J
b)
441 J
c)
4,500 J
d)
44,100 J
41.
A car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. What is the KE of the car?
a)
22,400 J
b)
44,800 J
c)
896,000 J
d)
1,792,000 J