SCIENCE2

_______ is the ability to do work. 

• Energy

• Light

• Heat

• Gravity

_____ is a form of energy that people and animals can see. 

• Water Energy

• Heat Energy

• Light Energy

• Shadow

_______ are those that are not made by people. They give off light and heat even without being turned on or off. 

• Heat energy

• Natural source

• Artificial source

• Light energy

________ are those that are made by people

• Light energy

• Artificial source

• Natural source

• Heat energy

What is the main source of heat and light energy?

• sun

• fire

• moon

Which is not a source of heat and light from nature?

• candle

• sun

• lightning

Which is not a man-made source of heat and light?

• sun

• flashlight

• lamp post

Is this a natural or artificial light source?

• Natural source

• Artificial source

• I don't know

Is this a natural or artificial light source?

• Artificial source

• Natural source

Does the glowworm have natural or artificial light?

• Artificial light

• Natural light