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Worksheets

Work Done

Total questions: 50

Worksheet time: 33mins

Name
Class
Date
1.

What is the unit of work?

a)

Newton

b)

Joule

c)

Watt

d)

meter

2.

Which equation is incorrect?

a)

 F = WsF\ =\ \frac{W}{s}  

b)

 W = F × sW\ =\ F\ \times\ s  

c)

 s = WFs\ =\ \frac{W}{F}  

d)

 F = W×sF\ =\ W\times s  

3.

Which of the following is the correct equation for force?

a)

 F = WsF\ =\ \frac{W}{s}  

b)

 W = F × sW\ =\ F\ \times\ s  

c)

 s = WFs\ =\ \frac{W}{F}  

d)

 F = W×sF\ =\ W\times s  

4.

Which of the following is the correct equation for distance?

a)

 F = WsF\ =\ \frac{W}{s}  

b)

 W = F × sW\ =\ F\ \times\ s  

c)

 s = WFs\ =\ \frac{W}{F}  

d)

 s= W×Fs=\ W\times F  

5.

Which of the following is the correct equation for work done?

a)

 W = FsW\ =\ \frac{F}{s}  

b)

 W = F × sW\ =\ F\ \times\ s  

c)

 W = sFW\ =\ \frac{s}{F}  

d)

 s= W×Fs=\ W\times F  

6.

If an object is moved a distance of 4 metres with a force of 45 N, how much work is done, in joules (J)?

a)

180

b)

1800

c)

0.09

d)

11.25

7.

If an object is moved a distance of 50 cm with a force of 0.65 N, how much work is done, in joules (J)?

a)

0.325

b)

32.5

c)

0.77

d)

1.3

8.

If 60 joules of work is done on an object that moves 12 metres, how much force was applied to the object in newtons (N)?

a)

5

b)

0.2

c)

720

d)

50

9.

If 5 kJ of work is done on an object that moves 150 m, how much force was applied to the object in newtons (N)?

a)

3.33

b)

0.033

c)

750,000

d)

33.3

10.

How far does an object move in metres (m) if a force of 700 newtons is applied and 50 joules of work is done?

a)

0.071

b)

17.5

c)

28,000

d)

0.71

11.

Nuclear power stations generate electricity through nuclear fission. Electricity can also be generated by burning shale gas. Shale gas is natural gas trapped in rocks. Shale gas can be extracted by a process called fracking. There is some evidence that fracking causes minor earthquakes. Burning shale gas adds carbon dioxide to the atmosphere. Which of the following is NOT an advantage of nuclear power compared with the use of shale gas to generate electricity.

a)

no carbon dioxide emitted

b)

nuclear power doesn’t cause earthquakes

c)

more energy released per kg of fuel

d)

nuclear power plants produce radioactive waste

12.

What is the name of one fuel used in nuclear power stations?

a)

uranium

b)

thallium

c)

carbon

d)

crude oil

13.

The graph gives information about the production of electricity in the UK in 2016. Around what percentage of electricity production involves the release of greenhouse gases?

a)

46%

b)

13%

c)

59%

d)

12%

14.

The graph gives information about the production of electricity in the UK in 2016. Around what percentage of electricity production depends on non-renewable resources?

a)

83%

b)

12%

c)

59%

d)

46%

15.

What type of data is shown on the x-axis of this graph?

a)

categorical

b)

continuous

16.

The main use of this fuel is transport.

a)

coal

b)

oil

c)

natural gas

17.

Burning this fuel can cause acid rain.

a)

oil

b)

coal

c)

natural gas

18.

This is a solid fuel.

a)

coal

b)

oil

c)

natural gas

19.

The graph shows how the demand for electricity in the UK changes during one 24-hour period. Around what time is the demand for electricity highest in the UK?

a)

4:00

b)

8:00

c)

12:00

d)

20:00

20.

The graph shows how the demand for electricity in the UK changes during one 24-hour period. What are the units of the dependent variable?

a)

kW

b)

kW/h

c)

hours

d)

W

21.

What is a natural resource?

a)

Material from the Earth that people use for their needs.

b)

A place hidden in the mountains.

c)

An object made from natural things.

22.

__________ is an energy resource that WILL NOT run out in the next several hundred years.

a)

Renewable Energy Resource

b)

Non-Renewable Energy Resource

23.

__________ is an energy resource that WILL NOT run out in the next several hundred years.

a)

Renewable Energy Resource

b)

Non-Renewable Energy Resource

24.

__________ is an energy resource that WILL run out in the next several hundred years.

a)

Renewable Energy Resource

b)

Non-renewable Energy Resource

25.

Which of the following is a renewable resource?

a)

Oil

b)

Solar

c)

Coal

d)

Natural Gas

26.

What are the 3 fossil fuels?

a)

coal, oil, uranium

b)

coal, hydroelectric, oil

c)

natural gas, oil, coal

27.

Coal is a __________ energy resource.

a)

Renewable

b)

Non-renewable

28.

Hyrdo Power is a __________ energy resource.

a)

Renewable

b)

Non-renewable

29.

Solar Power is a __________ energy resource.

a)

Renewable

b)

Non-renewable

30.

Natural Gas is a __________ energy resource.

a)

Renewable

b)

Non-renewable

31.

If a roller-coaster cart moving towards the top of a track has 40 J of kinetic energy and 30 J of gravitational potential energy, how much gravitational potential energy will it have at the top of the track?

a)

70 J

b)

40 J

c)

30 J

d)

10 J

32.

If a falling ball has, at one point in its fall, 20 J of gravitational potential energy and 60 J of kinetic energy, how much kinetic energy will it have when it strikes the Earth?

a)

80 J

b)

60 J

c)

20 J

d)

40 J

33.

Which of the following is an example of a mechanical transfer of energy?

a)

A battery powering a light bulb.

b)

A candle generating heat

c)

A candle generating light

d)

A ball falling towards the Earth

34.

Which of the following is an example of a system producing useful energy?

a)

car: kinetic

b)

iPhone: thermal

c)

car: thermal

d)

lightbulb: thermal

35.

A ball is thrown up in the air with 100 J of kinetic energy. How much gravitational potential energy does the ball have stored at the peak of its throw?

a)

100 J

b)

50 J

c)

25 J

d)

10 J

36.

As the drone accelerates upwards its __________________________ energy increases and its __________________________ energy increases.The __________________________ energy store of the battery decreases.

a)

kinetic ; gravitational potential ; chemical

b)

chemical ; gravitational potential ; kinetic

c)

kinetic ; gravitational potential ; nuclear

d)

kinetic ; elastic potential ; chemical

37.

As the cyclist accelerates, the _______________________ energy store in the cyclist’s body decreases and the _______________________ energy of the cyclist increases.

a)

chemical; kinetic

b)

gravitational potential; kinetic

c)

elastic potential; kinetic

d)

kinetic; gravitational potential

e)

kinetic; chemical

38.

Which of the following is false?

a)

Energy is the product of an activity

b)

Energy cannot be created or destroyed

c)

When gravity pulls an object towards the ground, energy is transferred mechanically

d)

A car's engine produces useful kinetic energy and wasted thermal energy

39.

Which of the following is not a store of energy?

a)

friction

b)

magnetic

c)

electrostatic

d)

nuclear

40.

Which of the following is true?

a)

Energy is found only in living objects

b)

Energy is a fuel

c)

Energy is a substance or fluid

d)

Energy is associated only with movement

e)

Any store of energy may be transferred into another store

41.

Which of the following is a non-renewable resource?

a)

Water

b)

Sun

c)

Coal

d)

Win

42.

Which resources are renewable?

a)

Solar, Wind, Water

b)

Gas, Oil, Coal

c)

Fossil Fuels

43.

What is one advantage of using solar power?

a)

Cloudy Days

b)

Nighttime

c)

It does not create pollution

44.
This renewable resource comes from deep within the Earth.
a)
Biomass
b)
Geothermal Energy
c)
Hydropower
d)
Solar Energy
45.

Which of the following--select more than 1 answer--are fossil fuels?

a)

coal

b)

oil

c)

geothermal

d)

natural gas

46.

What is the main source of energy for most natural resources?

a)

wind

b)

sun

c)

Earth

d)

water

47.

Nuclear energy is a ___ resource.

a)

renewable

b)

nonrenewable

c)

can be used over and over again

48.

Which of the following is NOT a renewable energy source?

a)

solar

b)

wind

c)

oil

d)

biomass

49.

What is another name for oil?

a)

granite

b)

nuclear

c)

coal

d)

petroleum

50.

Propane and methane are examples of __.

a)

geothermal

b)

biomass

c)

natural gas

d)

coal