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Energy and machines- 3ºC

Total questions: 23

Worksheet time: 8mins

Name
Class
Date
1.

The energy associated to things that are moving is called...

a)

kinetic energy

b)

potential energy

c)

chemical energy

2.

The energy associated to things that aren't moving is called...

a)

kinetic energy

b)

potential energy

c)

chemical energy

3.

What kind of energy is it? (The energy stored in the battery)

a)

motion

b)

chemical energy

c)

sound energy

d)

electrical energy

e)

light energy

4.

What kind of energy is it?

a)

motion

b)

chemical energy

c)

sound energy

d)

electrical energy

e)

light energy

5.

What kind of energy is it?

a)

motion

b)

heat energy

c)

sound energy

d)

electrical energy

e)

light energy

6.

What kind of energy is it?

a)

motion

b)

heat energy

c)

sound energy

d)

electrical energy

e)

light energy

7.

What kind of energy is it?

a)

motion

b)

heat energy

c)

sound energy

d)

chemical energy

e)

light energy

8.

The materials that allow electricity to go through them are called..

a)

conductors

b)

insulators

c)

machines

9.

The materials that DON'T allow electricity to go through them easily are called..

a)

conductors

b)

insulators

c)

machines

10.

An example of a conductor is:

a)

metals

b)

wood

c)

plastic

11.

An example of an insulator is:

a)

metals

b)

wood

c)

the human body

12.

What's the name of this simple machine?

a)

lever

b)

screw

c)

pulley

d)

wedge

e)

inclined plane

13.

What's the name of this simple machine?

a)

lever

b)

screw

c)

pulley

d)

wedge

e)

wheel and axle

14.

What's the name of this simple machine?

a)

lever

b)

wheel and axle

c)

pulley

d)

inclined plane

e)

wheel and axle

15.

What's the name of this simple machine?

a)

lever

b)

screw

c)

pulley

d)

wedge

e)

inclined plane

16.

What's the name of this simple machine?

a)

lever

b)

screw

c)

pulley

d)

wedge

e)

wheel and axle

17.

What's the name of this simple machine?

a)

wedge

b)

wheel and axle

c)

pulley

d)

inclined plane

e)

lever

18.

Energy...

a)

has the ability to make things move, work and grow.

b)

has the ability to change matter

c)

has the ability to produce electricity

19.

Machines with few moving parts, and based on motion are called...

a)

compound machines

b)

simple macines

c)

modern machines

20.

A skateboard is based on the following simple machine:

a)

a lever

b)

an inclined plane

c)

a wheel and axle

d)

a screw

21.

A lift is based on the following simple machine:

a)

a screw

b)

a pulley

c)

a wheel and axle

d)

an inclined plane

22.

A corkscrew is based on the following simple machine:

a)

a screw

b)

a pulley

c)

a wheel and axle

d)

a wedge

23.

A seesaw is based on the following simple machine:

a)

a screw

b)

a pulley

c)

a lever

d)

a wedge