Energy

What kind of energy does a rollercoaster use?

• mechanical energy

• heat energy

• fossil fuels

• sound energy

When you lift an object you give it this type of energy?

• nuclear energy

• kinetic energy

• potential energy

• electricity

What is Earth's pull called?

• amplitude

• gravity

• magnets

• wavelength

Electricity travels on...

• insulators like rubber

• invisible air particles

• conductors like metal

• the subway

Mark an example of fossil fuels.

• lifting an object

• the sun

• batteries

• oil

This measures the amount of energy in a wave - it is the height of the wave.

• wavelength

• pitch

• kinetic energy

• amplitude

High pitch sounds have a ....

• long wavelengths

• no wavelength

• no amplitude

• short wavelengths

Energy is...

• the ability to heat

• the ability to hear things

• the ability to do work

• the ability to turn on the light

Sound waves...

• travel on copper

• travel through air particles

• don't move

• travel in a straight line

Name an alternative source of energy to fossil fuels.