Machines

A machine is any object that we use to perform a task...

• ... with less effort or more speed.

• ... with more speed.

• ... in a natural way.

• ... more effort.

For a machine to work, you need to use a force.

• True

• False

What is this?

• Plug in

• Unplug

What’s this?

• Plug in

• Unplug

What’s this?

• Turn up

• Turn down

What’s this?

• Turn up

• Turn down

What’s this?

• Turn off

• Turn on

What’s this?

• Turn on

• Turn off

Machines help us to____________ weights.

• Lift.

• Move.

• Do domestic

Machines help us to move from one place to another, to do domestic tasks, to communicate, to play and...

• .... to heat our houses.

• ... to walk.

• ... to wash our hands.