wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Energy Revision Y7 Quiz

Total questions: 50

Worksheet time: 43mins

Name
Class
Date
1.

Which type of energy does a moving ball have?

a)

kinetic

b)

elastic

c)

potential

d)

chemical

2.

Which type of energy does the petrol in a car have?

a)

gravitational potential

b)

elastic

c)

chemical

d)

light

3.

Which type of energy is stored in a Sunday roast dinner?

a)

light

b)

chemical

c)

elastic

d)

kinetic

4.

Batteries contain this type of energy

a)

Electrical

b)

Chemical

c)

Thermal

d)

Kinetic

5.

What type of energy is in this picture?

a)

Kinetic

b)

Elastic

c)

Chemical

d)

Sound

6.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)

Kinetic

d)

Gravitational

e)

M

7.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
8.

On a roller coaster, where is maximum gravitational potential energy?

a)

At the bottom of a big hill

b)

When going around a corner

c)

When going upside down

d)

At the top of a big hill

9.

According to which law of energy, energy can't be created or destroyed?

a)

First law of motion

b)

The law of tacos

c)

Laws of the world

d)

Law of conservation of energy

10.

Calculate efficiency for a light bulb with these energy changes

 Efficiency = useful energytotal energy inx 100Efficiency\ =\ \frac{useful\ energy}{total\ energy\ in}x\ 100  

a)

90%

b)

100%

c)

110%

d)

10%

11.

What kind of energy is represented in the picture?

a)

Thermal

b)

Chemical

c)

Sound

d)

Kinetic

12.

What energy change change takes place in a table lamp?

a)

Thermal to electricity and sound

b)

Chemical to light and heat

c)

Electrical to light and heat

d)

Electrical to heat and chemical

13.

In a washing machine, electricity changes into kinetic, heat and sound energy. Which of these are useful energy changes?

a)

kinetic

b)

heat

c)

sound

14.

In a washing machine, electricity changes into kinetic, heat and sound energy. Which of these are wasted energy changes?

a)

kinetic

b)

heat

c)

sound

15.

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%

16.

A lightbulb with efficiency of 10% would be

a)

efficient

b)

inefficient

17.

Total energy = 350J
Useful energy = 70J

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

a)

100%

b)

80%

c)

40%

d)

20%

18.

Total energy = 1000J
Useful energy = 1000J

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

a)

100%

b)

50%

c)

40%

d)

20%

19.

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)

1%

c)

40%

d)

20%

20.

What is the useful energy type in this example?

a)

Electrical

b)

Kinetic

c)

Thermal

d)

Sound

21.

What is the useful energy type in this example?

a)

Electrical

b)

Mechanical

c)

Thermal

d)

Sound

22.

Which form of energy is least important in this device?

a)

Electrical

b)

Light

c)

Sound

d)

Thermal

23.

Identify the energy changes

a)

electrical to chemical to light

b)

kinetic to potential

c)

chemical to electrical to light

d)

light to sound

24.

Identify the energy changes

a)

chemical to kinetic

b)

solar to electrical

c)

thermal to light

d)

electrical to light

25.

Identify the energy transfer

a)

light to electrical to chemical

b)

chemical to electrical to light

c)

electrical to chemical to light

d)

chemical to electrical to solar

26.

Identify the energy transfer

a)

mechanical to light

b)

chemical to kinetic

c)

electrical to kinetic

d)

kinetic to thermal

27.

Identify the energy transfer

a)

electrical to sound

b)

sound to electrical to chemical

c)

electrical to sound to chemical

d)

potential to kinetic to light

28.

Identify the energy transfer

a)

kinetic to mechamical

b)

light to thermal

c)

gravitational potential to kinetic

d)

electrical to magnetism

29.

Identify the energy transfer

a)

chemical to solar

b)

electrical to thermal

c)

chemical to light

d)

thermal to kinetiv

30.

Identify the energy transfer

a)

potential to chemical

b)

electrical to kinetic

c)

mechanical to sound

d)

chemical to thermal

31.
The roller coaster cart has the most gravitational potential energy at position-
a)
W
b)
X
c)
Y
d)
Z
32.

Energy can't be created and can't be destroyed

a)

true

b)

false

33.

Useful energy change in a hair dryer

a)

thermal (heat)

b)

kinetic

c)

chemical

d)

elastic

34.

Missing number?

(a)  

35.

Missing number?

(a)  

36.

Missing number?

(a)  

37.

In fairy lights ............... energy changes to .................. energy

a)

electrical, light

b)

light, sound

c)

elastic, light

d)

gravitational, thermal

38.

Electrical Energy is changed to _____ Energy.

a)

Thermal

b)

Kinetic

c)

Electrical

d)

Gravitational

39.

Which energy change is taking place when you put petrol in a car?

a)

thermal -> electrical

b)

elastic -> electrical

c)

chemical -> kinetic

d)

sound -> kinetic

40.

How much energy changes into heat energy?

(a)  

41.

How much energy changes into heat and sound energy?

(a)  

42.

How much energy changes into heat and sound energy?

(a)  

43.

How much electrical energy goes into this device?

(a)  

44.

How much energy changes to thermal energy?

(a)  

45.

Which form of energy can be stored?

a)

electrical

b)

sound

c)

light

d)

elastic

46.

Select all forms of energy that can be stored

a)

electrical

b)

chemical

c)

light

d)

elastic

e)

gravitational

47.

Select all forms of energy that are transfers

a)

electrical

b)

chemical

c)

light

d)

elastic

e)

gravitational

48.

Which form of energy is a transfer?

a)

electrical

b)

chemical

c)

elastic

d)

thermal

e)

gravitational

49.

Some forms of energy can be stored and some cannot.

a)

true

b)

false

50.

The rock in the picture is pushed over the edge and it begins to fall. Which type of energy conversion is taking place?

a)

kinetic to heat

b)

sound to thermal

c)

gravitational potential to kinetic

d)

kinetic to chemical