Unit 5 - Machines

A device that makes it easier for us to do work is called

Machines can be simple or complex

• True

• False

Machines can help us to

• Move things

• Lift things

• Carry things

• Build or make things

They are simple machines that we can often hold in our hands

Which machines helped us communicate easily with people far away?

• Planes

• Telephones

• Light bulbs

• Steam engines

Which machine helped us see at night?

• Household machines

• Light bulbs

• Radio and television

• Planes

Which machine used people to power large machines in factories?

• Steam engines

• Planes

• Household machines

• Wheels and axles

Which machines helped us transport things over long distances?

• Light bulbs

• Wheel and axles

• Steam engines

• Telephones

Which machines helped us travel to other countries faster than by boat or train?

• Light bulbs

• Radio and television

• Wheels and axles

• Planes

Which machines were important to share information?

• Radio and television

• Planes

• Household machines

• Steam engines