Energy and magnetism

This is

• a simple machine

• a complex machine

This is

• a simple machine

• a complex machine

A simple machine is made of

• many parts

• a few parts

The heater uses

• chemical energy

• electrical energy

• A nad B

Choose the simple machines

• screw

• hammer

• computer

• fan

• ramp

It is easier to move objects if the ramp is

• more inclined

• less inclined

Choose the machines that make work easier at home.

• a drone

• a washing machine

• an electric toothbrush

• an air conditioning

Who can be replaced by machines?

• a taxi driver

• a graphic designer

• a telemarketer

• a personal trainer

• a waiter

Conductors

• drive cars

• allow the electricity flow

• do not allow the electricity flow

• are made of metal

Insulators

• do not allow electricity flow

• allow electricity flow

• are made of plastic or rubber

• are made of metal