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Krohn's Physical Science: Energy

Total questions: 11

Worksheet time: 17mins

Name
Class
Date
1.

Which forms of energy below are types of potential energy?

a)

Electrical

b)

Elastic

c)

Chemical

d)

Nuclear

e)

Radiant

2.

Which forms of energy below are types of kinetic energy?

a)

Sonic

b)

Elastic

c)

Gravitational

d)

Thermal

e)

Momentum

3.

You are driving your car, which has a mass of 1500 kg, at 25 m/s. How much kinetic energy does your car have?

a)

468,750 J

b)

468, 750 N

c)

18,750 J

d)

18,750 N

4.

You are flying in a plane, which has a mass of 2,200 kg, with 8,910,000 J of kinetic energy. How fast is the plane going?

a)

90 m/s

b)

4,050 m/s

c)

8,100 m/s

d)

9,801,000,000 m/s

5.

You are cold and are sitting by a space heater. It is making a humming noise and giving off heat. What form(s) of energy are you experiencing from the space heater?

a)

Sonic

b)

Elastic

c)

Electrical

d)

Thermal

e)

Chemical

6.

You are at home and flick the light switch on which allows electrons to flow through the filament of the lightbulb and produce light. This is ______ energy be converted into _____ energy. Order doesn't matter, just bubble in the two.

a)

Radiant

b)

Momentum

c)

Electrical

d)

Thermal

e)

Chemical

7.

Energy is CREATED by stars.

a)

False

b)

True

8.

Energy is USED UP AND DESTROYED when we use our phones and other electronic devices.

a)

False

b)

True

9.

You are using your phone to listen to music. This is draining the energy stored in your battery to produce sound. This is ______ energy be converted into _____ energy. Order doesn't matter, just bubble in the two.

a)

Radiant

b)

Momentum

c)

Sonic

d)

Thermal

e)

Chemical

10.

There is a rock (12.2 kg) sitting on top of a hill. The hill is 32.8 m tall and gravity is 9.8 m/s2. How much potential energy does the rock have?

a)

3,921.57 J

b)

59.78 J

c)

585.84 J

d)

40.83 J

11.

A baboon is holding a lion cub over a ledge for some reason! The cub weighs 20 kg and is on Earth where acceleration due to gravity is always 9.8 m/s2. If the cub has 23,520 J of potential energy then how high up is he being held?

a)

4,609,920 m

b)

120 m

c)

240 m

d)

15.49 m