Free Printable ENERGY

1.

The greater the speed, the greater the (a) energy an object/a person has.

2.

The kinetic energy of an object is ____________ proportional to the square of its speed. $K.E.=\frac{1}{2}\cdot M\cdot V^2$

a)

Directly

b)

Inversely

3.

What kind of energy a spring can store?

a)

Kinetic

b)

Chemical

c)

Gravitational potential

d)

Elastic potential

4.

Elastic potential energy is the energy an elastic object has when it is stretched or (a)

5.

The amount of gravitational potential energy an object has depends on its mass and its...

(a)

6.

Gravitational potential energy can be calculated by using...

a)

$\ \ m·g·h^2$

b)

$\ \ m^2·\ g·h$

c)

$\ \ \ m·g·h$

7.

$Kinetic\ energy\ +\ Potential\ energy\ =...$

(a)

8.

Energy is measured in...

a)

Joule (J)

b)

Newton (N)

c)

Watt (W)

9.

Which picture shows something with CHEMICAL ENERGY?

a)

b)

c)

d)

10.

Who has the greatest gravitational potential energy?

a)

b)

11.

A blender converts electrical energy into...

a)

Gravitational potential energy

b)

Kinetic energy

c)

Elastic potential energy

d)

Chemical energy

12.

A wind-up toy converts (a) energy into kinetic energy.

13.

Which picture shows the conversion from gravitational potential energy into kinetic energy?

a)

b)

c)

d)

14.

This girl juggler tosses balls into the air as she juggles. Which kind of energy is increasing as the balls travel up into the air?

(a)

15.

During which section of the track a rollercoaster car’s gravitational potential energy converted into kinetic energy?

a)

From A to B

b)

From B to C

c)

From C to D

16.

Which ball has the most gravitational potential energy?

a)

The red one

b)

The green one

c)

The back one

d)

The multicoloured one

17.

A microwave oven converts electrical energy into (a) energy. Then, this energy is absorbed by the food and it increases its thermal energy.

18.

Which letter represents the position at which a rollercoaster car would have the least gravitational potential energy?

a)

A

b)

B

c)

C

d)

D

19.

Metals (iron, copper, aluminium...) have a very low heat capacity. It means that when we heat a piece of metal, its temperature increases...

a)

Slowly

b)

Quickly

20.

Which material/materials would you choose to make a trivet?

a)

iron

b)

Cork

c)

Steel

d)

Wood

21.

The kind of materials that are bad heat conductors are called (a)

22.

Which material is not a good heat conductor?

a)

Steel

b)

Iron

c)

Wood

d)

Aluminium

23.

The material used to make coffemakers’ handle is (a)

24.

The mechanisms heat travels from one place to another are: conduction, convection and (a)

25.

The mechanism heat is transferred from a saucepan to the food is called...

a)

Conduction

b)

Convection

c)

Radiation

26.

The mechanism by which a radiator heats the air in a room is called...

a)

Conduction

b)

Convection

c)

Radiation

27.

The mechanism the heat from the Sun reaches the Earth and warm it is called....

a)

Conduction

b)

Convection

c)

Radiation

28.

Newton’s law of (a) explains why fizzy drinks cans are so thin and made of metals

29.

Cars use fuel to get energy. When fossil fuels are burned, carbon dioxide and some other substances such as sulfur dioxide are released. This leads to global warming and (a)

30.

Which picture shows the use of a renewable source of energy: the wind

a)

b)

c)

d)

ENERGY

Total questions: 30

Worksheet time: 23mins

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