Trimester 2 Review

Which is the most common source of energy used by towns and cities today?

• Water behind dams

• Sunlight

• Wind

• Burnable fuels

Air pollution…

• is a problem that no one will be able to solve

• can be seen in cities as “smog”

• is created mostly by solar panels

• is a natural part of the environment

Which energy source has to be burned to release its energy?

• Sunlight

• Wind

• Coal

• Water

Wind is a beneficial resource of energy because it doesn’t cause…..

• pollution

• echo

• noise

• sound

Black painted panels which are hung on roofs to absorb heat from the sun

• solar panels

• solar heater

• solar furnace

• solar battery

A fuel is something that ….

• contains stored energy

• can burn

• releases heat

• all of the above

Steam locomotives (trains) move by burning fuel that …

• releases energy from height

• releases electrical energy

• releases heat energy

• stores energy in batteries

Why is gasoline added to a car?

• To reduce heat made by the engine

• To give the car energy to move

• To make it heavier and move faster

• To make it shiny

If you rub your hands together quickly for a little while, what will happen?

• They will cool off

• They will warm up

• They will give off light

• They will give off electricity

Energy comes in many forms.

• True

• False