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KS3 Energy Transfer

Total questions: 48

Worksheet time: 24mins

Name
Class
Date
1.

An object at rest on op of a shelf is likely to have:

a)

No energy

b)

Gravitational potential energy

c)

Hydroelectric power

2.

Batteries are stores of:

a)

Chemical energy

b)

Electrical energy

c)

Light energy

3.

Energy is usefully transferred from a personal audio player as:

a)

Kinetic energy

b)

Thermal energy

c)

Sound energy

4.

Which is likely to contain the most thermal energy?

a)

A red hot horseshoe

b)

A spark from a firework

c)

An ice cube

5.

Which type of energy transfer requires particles?

a)

Conduction

b)

Temperature

c)

Radiation

6.

Which of these is not a store of energy?

a)

chemical energy store

b)

thermal energy store

c)

kinetic energy store

d)

electrical energy store

7.

When you drop an object, what are the main energy transfers involved?

a)

Gravitational potential to thermal

b)

Kinetic to gravitaional potential

c)

Gravitational potential to chemical

d)

Gravitational potential to kinetic

8.

When you burn a fuel, what are the main energy transfers involved?

a)

Chemical to elastic potential

b)

Thermal to chemical

c)

Chemical to thermal

d)

Electrostatic to thermal

9.

When you release a stretched spring, what are the main energy transfers involved?

a)

Elastic to kinetic

b)

Kinetic to elastic

c)

Elastic to thermal

d)

Elastic to chemical

10.

Energy can be transferred when a force makes something move, this is called:

a)

Electrically

b)

Heating

c)

Mechanically

d)

Light and sound

11.

Energy is measured in what units?

a)

Hertz

b)

Watts

c)

Joules

d)

Newtons

12.

Which of these are fossil fuels?

a)

Coal

b)

Oil

c)

Gas

d)

All of the above

13.

Wind, solar and waves are examples of:

a)

Renewable energy resources

b)

Non renewable energy resources

c)

Fossil fuels

d)

Finite energy resources

14.

What is power measured in?

a)

Joules

b)

Hertz

c)

Watts

d)

Newtons

15.

What are the stores of energy?

a)

Thermal

b)

Electromagnetic

c)

Kinetic

d)

Electrostatic

e)

Frictional

16.

Which is not an example of kinetic energy?

a)

A cup of water at rest on a table

b)

A ball thrown by one person to another

c)

A pizza being heated in an oven

d)

A desk lamp turned on after connecting with an outlet

17.
What does the Law of Conservation of Energy state?
a)
Energy cannot be created or destroyed
b)
Nothing can exchange energy
c)
Energy will increase over time.
d)
Energy will decrease over time.
18.

What type of energy is in this picture?

a)

Kinetic

b)

Elastic potential

c)

Chemical

d)

Sound

19.

What kind(s) of energy is(are) in a person climbing a ladder?

a)

Gravitational potential

b)

Kinetic

c)

Both

20.

What kind of energy does an object possess when it's resting on top of the hill?

a)

Gravitational potential Energy

b)

Chemical Energy

c)

Kinetic Energy

d)

All of the above

21.
At which point(s) on the roller coaster is the gravitational potential energy at its maximum?
a)
A
b)
B
c)
C
d)
D
22.

At which point(s) on the roller coaster is the kinetic energy at its maximum?

[Hint: When will it be moving the fastest?]

a)

A

b)

B

c)

C

d)

D

23.

During photosynthesis, what type of energy transfer takes place?

a)

Heat -> Chemical

b)

Chemical -> Light

c)

Light -> Chemical

d)

Heat -> Light

24.

Which of the following best represents the Law of Conservation of Energy?

a)

Energy CAN be created but NOT destroyed

b)

Energy CAN be destroyed but NOT created

c)

Energy can NOT be created Nor destroyed

d)

Energy CAN be created and CAN destroyed

25.
The law of conservation of energy states that when one form of energy is converted into another,
a)
energy is destroyed in the process
b)
no energy is destroyed in the process
c)
energy is created in the process
d)
some amount of energy cannot be accounted for
26.

Total energy = 200J
Useful energy = 20J

Workout the efficiency of this lightbulb.
efficiency = useful enegytotal energy in ×100efficiency\ =\ \frac{useful\ enegy}{total\ energy\ in}\ \times100  

a)

100%

b)

80%

c)

40%

d)

10%

27.

Total energy = 34000J
Useful energy = 340J

Workout the efficiency of this vintage VW Beetle.
efficiency = useful energytotal energy in ×100%efficiency\ =\ \frac{useful\ energy}{total\ energy\ in}\ \times100\%  

a)

100%

b)

10%

c)

40%

d)

20%

28.

This car needs 8600J of energy to power it. If 5000J is changed into useful energy, how much energy is wasted?

a)

13600J

b)

3600J

c)

5000J

d)

8600J

29.

A car transfers 100 J of chemical energy in order to gain 50 J of kinetic energy. The efficiency of the car is

a)

20%

b)

0.5%

c)

50%

d)

200%

30.

(a)   are those that can be replaced by a natural process.

31.

The examples of renewable resources are

a)

coal

b)

soil

c)

plants

d)

water

e)

animals

32.

(a)   is something that can not be made by nature again.

33.

Which of the following are Non-Renewable energy resources? (Check all that apply.)

a)

coal

b)

wind

c)

solar

d)

nuclear

34.

One advantage of solar and wind power over fossil fuels is that

a)

wind and solar are presently much less expensive than fossil fuels.

b)

wind and solar come from natural processes and fossil fuels do not.

c)

wind and solar are nonrenewable resources and fossil fuel are renewable.

d)

wind and solar are continuously renewable and fossil fuels take millions of years to be formed.

35.

Renewable or Nonrenewable: Coal

a)

Renewable

b)

Nonrenewable

36.

Renewable or Nonrenewable: Natural Gas

a)

nonrenewable

b)

renewable

37.

Renewable or Nonrenewable: Oil

a)

Nonrenewable

b)

Renewable

38.

Renewable or Nonrenewable: Sunlight

a)

Renewable

b)

Nonrenewable

39.

This energy is from moving air.

a)

Wind Energy

b)

Geothermal Energy

c)

Fossil Fuel Energy

d)

Biofuel

40.

This is a liquid fuel derived from plant materials.

a)

wind energy

b)

biofuel (from biomass)

c)

geothermal energy

d)

solar energy

41.

Biomass requires a lot of space.

a)

Advantage

b)

Disadvantage

42.

Hydropower can have a negative impact on river wildlife.

a)

Advantage

b)

Disadvantage

43.

Fossil Fuels are a nonrenewable resource.

a)

Advantage

b)

Disadvantage

44.

Wind turbines and hydroelectric power plants use ___________ and __________ to make electricity and operate generators. Select all that apply.

a)

sunlight

b)

wind

c)

water

d)

coal

45.

Hydropower is energy that comes from _________

a)

sun

b)

oil

c)

natural gas

d)

water

46.

Geothermal energy uses heat from ____ to produce electricity.

a)

the earth

b)

coal

c)

oil

d)

natural gas

47.

What are fossil fuels?

a)

coal, oil, uranium

b)

oil, natural gas, uranium

c)

coal, oil, natural gas

d)

geothemals, coal, natural gas

48.

Which of these are renewable resources?

a)

coal

b)

wind

c)

geothermal

d)

water in a dam

e)

biomass

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