MACHINES

Machines help us to work and play.

• True

• False

Simple machines...

• have many parts.

• have one part or a few parts.

The lever, the ramp, the wheel and the pulley are...

• simple machines.

• complex machines.

Complex machines...

• have many parts.

• have one part or a few parts.

All the machines work with...

• electricity.

• petrol.

• energy.

• sunlight.

There are different types of energy...

• human, eggs, sunlight, wind, petrol...

• human, electricity, stamp, wind, petrol...

• human, electricity, sunlight, wind, petrol...

You carry this machine with you to communicate...

• Mobile phone.

• Smoke.

You use this to find places.

• Smoke.

• GPS navigation.

Smartphones, laptops and tablets are types of computers.

• False.

• True.

How do we use computers?

• We don't write, don't take photos, don't listen to music, don't watch videos, don't play games and don't communicate.

• We write, take photos, listen to music, watch videos, play games and communicate.