Types of energy

What is energy?

• The power to make noise

• The ability to do work

• A form of matter

• Something only machines use

Which is an example of kinetic energy?

• Water held behind a dam

• A rock on a hill

• Water flowing in a river

• A battery in storage

What type of energy comes from the sun?

(a)  

Which energy is stored in food or batteries?

(a)  

What is mechanical energy made of?

• Electrical and sound energy

• Light and thermal energy

• Kinetic and potential energy

• Solar and wind energy

Which is a renewable energy source?

• Coal

• Oil

• Uranium

• Wind

Why is solar energy not always reliable?

• It's expensive to use

• The sun doesn't shine everywhere all the time

• It pollutes the air

• It's dangerous to install

What makes fossil fuels non-renewable?

• They are easy to recycle

• They regenerate quickly

• They take millions of years to form

• They are made from wind and water

What do you need for a simple electric circuit to work?

• Light, sound, wire, switch

• Battery, wire, load, switch

• Water, light bulb, solar panel

• Fan, battery, plastic tube

Which material is a conductor of electricity?

• Plastic

• Wood

• Paper

• Copper