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Energy and Electricity

Total questions: 70

Worksheet time: 44mins

Name
Class
Date
1.

What is a renewable energy source.

a)

Coal

b)

Solar Power

c)

Nuclear Power

d)

Natural Gas

2.

What is a non renewable energy source.

a)

Solar Power

b)

Wind

c)

Natural Gas

d)

Tidal

3.

What are the 3 MAIN types of fossil fuels?

a)

Coal - Oil - Nuclear

b)

Coal - Oil - Solar

c)

Oil - Coal - Gas

4.

Wind energy

a)

is less expensive than fossil fuels

b)

is difficult to utilize in areas with low wind availability

c)

is a renewable source of energy

d)

utilizes small or large areas of land not previously used

5.
 Energy from the sun is known as......... 
a)
hydroelectric energy
b)
geothermal energy
c)
solar energy
d)
wind energy
6.

The releasing of stored chemical energy in fuels by burning; burning gas in car, burning wood is called ____________________________.

a)

combustion

b)

fossil fuels

c)

resources

d)

greenhouse gases

7.

What is the energy produced by moving water?

a)

hydroelectric power

b)

streams

c)

hydrowater power

d)

rivers

8.

Select all the renewable energy sources.

a)

wind

b)

nuclear

c)

geothermal

d)

moving water

9.
According to the Law of Conservation of Energy...
a)
energy changes form
b)
energy can be created and destroyed
c)
energy flows from one material to the next
d)
energy cannot be created or destroyed
10.

What is energy measured in?

a)

joules

b)

newtons

c)

kilograms

d)

metres

11.

Which is the correct equation to calculate kinetic energy?

a)

mass x distance

b)

0.5 x mass x speed2

c)

0.5 x weight x speed2

d)

mass x speed x distance

12.

How would you convert 1000J to KJ

a)

times by 1000

b)

divide by 1000

c)

times by 100

d)

divide by 100

13.

_____________________ energy comes from underground pockets of hot water.

a)

hydroelectric

b)

nuclear

c)

solar

d)

geothermal

14.
_____________ power is electricity produced by flowing water.
a)
Solar 
b)
Wind 
c)
Hydroelectric 
d)
water
15.

Energy created from wood, peat moss, and manure is called __________________ energy.

a)

biomass

b)

geothermal

c)

natural

d)

solar

16.

Gravitational potential energy is stored when an object is …

a)

heated

b)

stretched

c)

lifted

d)

accelerated

17.

Kinetic energy can be calculated using the equation Ek= ½ mv2

In this equation 'v' is …

a)

velocity

b)

energy

c)

mass

d)

weight

18.

Which of these units is the equivalent to thousands of joules?

a)

millijoules

b)

megajoules

c)

microjoules

d)

kilojoules

19.

Elastic potential energy is stored when an object is …

a)

heated

b)

stretched

c)

lifted

d)

accelerated

20.

If a material has a high thermal conductivity it will be …

a)

a good insulator

b)

a poor insulator

c)

a poor conductor

d)

a good reflector

21.

Which of these is NOT an energy store?

a)

Kinetic energy

b)

Light energy

c)

Thermal energy

d)

Gravitational energy

22.

Kinetic energy is gained when an object is …

a)

heated

b)

stretched

c)

lifted

d)

accelerated

23.

Which of these is NOT a possible value for the efficiency of a device?

a)

0.25

b)

25

c)

25%

d)

2.50%

24.

On Earth the value for 'g' is taken as being …

a)

0.98 N/kg

b)

9.8 N/kg

c)

98 N/kg

d)

980 N/kg

25.

Which of these is NOT a fossil fuel?

a)

Coal

b)

Uranium

c)

Natural gas

d)

Oil

26.

Which energy store is linked with springs and catapults?

a)

Nuclear energy

b)

Light energy

c)

Kinetic energy

d)

Elastic potential energy

27.

An electric motor transfers 24 J of energy usefully, but wastes 16 J of energy in doing so. What is the efficiency of the motor?

a)

16 J ÷ 24 J = 0.67

b)

24 J ÷ 16 J = 1.5

c)

16 J ÷ 40 J = 0.4

d)

24 J ÷ 40 J = 0.6

28.

If the speed of an object is increasing, its (a)   energy store is increasing.

29.

As an object falls it gains kinetic energy as its _______________ ___________ energy store decreases.

(a)  

30.
What is a store of energy in an object due to chemical reactions in it?
a)
gravitational store of energy 
b)
chemical store of energy
c)
gravitational potential energy
d)
chemicals
31.
What is an example of a chemical store of energy
a)
nothing
b)
food only
c)
batteries only
d)
batteries and food
32.

Which of these are advantages of hydroelectric power?

a)

It does not produce carbon dioxide.

b)

It is renewable.

c)

It is cheap.

d)

It is reliable.

33.

Which of these is NOT an advantage of nuclear power.

a)

It does not produce carbon dioxide.

b)

It is renewable.

c)

It is very efficient.

d)

It is reliable.

34.

What type of energy is useful in this diagram?

(a)  

35.

What is electrical energy converted into when a drill is used?

a)

Kinetic energy

b)

Sound

c)

Heat

d)

All of the above

36.

The following scenario relates to a rollercoaster:

When at the top of a hill, a cart has _________ energy, as it travels down the track, it has _______ energy.

a)

Kinetic, potential

b)

potential, generational

c)

potential, kinetic

d)

kinetic, exhilirating

37.

Which state of matter has particles that are regularly arranged?

a)

Solid

b)

Liquid

c)

Gas

38.

Change of state from liquid to solid is called

a)

Freezing

b)

Melting

c)

Boiling

d)

Condensing

e)

Sublimation

39.

Change of state from solid to liquid is called

a)

Freezing

b)

Melting

c)

Boiling

d)

Condensing

e)

Sublimation

40.

Change of state from liquid to gas is called

a)

Freezing

b)

Melting

c)

Boiling

d)

Condensing

e)

Sublimation

41.

Change of state from gas to liquid is called

a)

Freezing

b)

Melting

c)

Boiling

d)

Condensing

e)

Sublimation

42.
Which description best matches this particle model?
a)
Closely packed and can't move a lot. 
b)
Particles are close together but can move a little. 
c)
Particles have lots of energy and can move around. 
43.
Which description best matches this particle model?
a)
Closely packed and can't move a lot. 
b)
Particles are close together but can move a little. 
c)
Particles have lots of energy and can move around. 
44.

What are the units for mass?

(a)  

45.

What is the unit of energy?

(a)  

46.

What are the units for power?

(a)  

47.
The flow of electricity in a circuit-
a)
current
b)
flow
c)
circuit
48.
Two batteries in a circuit make the lights in the circuit brighter than one battery.
a)
true
b)
false
49.
In a parallel circuit the current
a)
makes one circle
b)
stays in one path
c)
splits and goes through two components
50.
Two types of circuits are
a)
parallel and magnetic
b)
electromagnetic and series
c)
series and parallel
51.
What kind of circuit is this?
a)
series
b)
parallel
52.

What is the name of the pin labelled 2 in the diagram?

a)

Earth

b)

Neutral

c)

Live

53.

What colour is the Earth wire in a plug?

a)

Red

b)

Red and black

c)

Green

d)

Green and yellow

54.

Which is the live wire in the diagram?

a)

Number 2

b)

Number 3

c)

Number 4

d)

Number 5

55.

What is the potential difference of the mains electricity supply? (a)   volts

56.

What does this symbol represent?

a)

Buzzer

b)

Cell

c)

Bulb

d)

Motor

57.

What is wrong with this circuit?

a)

Nothing, it looks fine to me

b)

The switch is open, electricity won't flow

c)

The bulb has blown, that's why there's an 'x' through it

d)

The battery has been inserted the wrong way round

58.

Which of these is the correct symbol for a cell?

a)
b)
c)
d)
59.

What type of particle carries electrical charge through the wires in a circuit?

a)

Neutron

b)

Electron

c)

Proton

d)

Confusion

60.

Which of these materials is not an electrical insulator?

a)

wood

b)

rubber

c)

copper

d)

plastic

61.

What type of electric circuit only has ONE path for the electricity to flow through?

a)

Series

b)

Parallel

c)

Open

d)

None of the above

62.
Current is measured in....
a)
Amps 
b)
Volts
c)
Ohms
d)
Coulombs
63.

Voltage is measured in __.

a)

Volts.

b)

Watts.

c)

Coulombs.

64.
What is the unit for Energy
a)
Q
b)
V
c)
J
d)
E
65.

What does this symbol represent?

a)

resistor

b)

battery

c)

thermistor

d)

variable resistor

66.

Resistance is measured in

a)

Coulombs

b)

Volts

c)

Amps

d)

Ohms

67.

Potential difference is measured in

a)

amps

b)

volts

c)

Ohms

68.

Imagine the symbols are numbered 1,2,3,4 from left to right.

What is number 3 the symbol for?

a)

A variable resistor

b)

A fuse

c)

A lamp

d)

A fixed resistor

69.

Imagine the diagrams are numbered 1,2,3,4 from left to right.

Which is the symbol for a fuse?

a)

1

b)

2

c)

3

d)

4

70.

Which is the live wire in the diagram?

a)

Number 2

b)

Number 3

c)

Number 4

d)

Number 5

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