Energy

Energy...

• doesn't exist

• exists everywhere

• can't change forms

• can change forms

Moving things have ...

• Electrical energy

• Chemical energy

• Light energy

• Mechanical energy

A firework is an example of...what kinds of energy?

• Light energy

• Sound energy

• Electrical energy

• Thermal energy

A microwave is an example of...

• Thermal energy

• Mechanical energy

• Electrical energy

• Sound energy

• All the kinds of energy here are correct

A TV is an example of the transformation of...

• Thermal to electrical energy

• Mechanical to thermal energy

• Electrical to light energy

• Chemical to light energy

Charging a phone is the transformation of...

• Mechanical to chemical energy

• Electrical to light energy

• Electrical to sound energy

• Thermal to sound energy

Lightnings are the transformation of...

• Electrical to thermal energy

• Electrical to light energy

• Sound to chemical energy

• Electrical to sound energy

Renewable energy sources...

• Are limited and cannot be replaced

• Are unlimited and will never run out

• Harm the environment more than non-renewable ones

• Harm the environment less than non-renewable ones

Non-renewable energy sources...

• Include fossil fuels and uranium

• Include sunlight, water and wind

• Cause air pollution and global warming

• Are good for the environment

The picture shows...

• A renewable energy source

• A non-renewable source

• Solar panels

• Fossil fuels