Eidan - Science review

____ works because it is able to travel by vibrations.

• light

• heat

• sound

• energy

A ____ helps collect wind energy

The sun gives us both light and ____ energy.

• hit

• power

• heat

• electric

Changing of sunlight energy to electrical energy.

• solar energy

• solar power

• electricity

• solar electricity

Coal, oil and natural gas are natural source of ____.

• heat energy

• electricity

• gasoline

• fuel energy

Which one uses fuel energy?

• vehicle

• light bulb

• pushing carts

• solar panels

A natural gas is a kind of gas that has been trapped ____.

• on the ground

• on the soil

• underground

• under water

Wind, water and ____ energy can all be turned into ____for houses and buildings.

• heat

• solar

• fuel

• sound

Electricity flows through special wires called ___.

• circuit

• current

• cable

• copper

Copper is a very good ____ of electricity.

• insulator

• conductor

• supply

• source