Unit 6. Energy

Living and non-living things need...

• food

• exygen

• energy

• electricity

Living things need energy to live. They get energy from...

• food and the Sun

• food and oxygen

• the Sun and oxygen

• electricity

Tools use energy from...

• chemical energy

• burning fuels

• people

• sunlight

Electricity is

• chemical energy

• electrical energy

• kinetic energy

• light energy

A guitar playing a song has ....

• sound energy

• Thermal energy

• Light energy

• Chemical energy

Sound travel faster than light

• True

• False

Light is the form of energy that allows us to

• produce noises

• hear noise

• see objects

Too much noise in cities is called

• sound pollution

• light pollution

• water pollution

• air pollution

When we look in a mirror we see

• transparent

• reflection

• opaque

• refraction

Coal, petroleum and natural gas are

• natural matter

• man- made matter

• renewable energy sources

• unlimited