SCIENCE_FINAL TEST S5 CMSTA

There are ____ types of materials through which current can flow

• 4

• 3

• 2

Batteries, a switch, a light bulb and wires can form an electrical circuit.

• TRUE

• FALSE

Compasses are objects with a pointed magnet which always points ______

• east

• south

• north

• West

What's this?

• An electromagnet

• a compass

• a dynamo

• a natural magnet

Power stations or power plants are places where______ is produced from different sources

• high tension

• power line

• electricity

• movement

An object that produces HEAT while producing energy is:

• a radiator

• cd player

• a doorbell

• a dishwasher

• a mixer

Chemical energy is the energy produced by fossil fuels

• TRUE

• FALSE

The energy that is found in light is called:

• thermal energy

• light energy

• mechanical energy

• any of them

Copper is not an electrical conductor

• TRUE

• FALSE

Charges can be:

• positive and negative

• neutral and positive

• mechanical and manual

• any of them