Unit 3 (Lessons 4

Match it! Select the correct answer from the pull down...Good luck!

Energy resources that are made from fossilized, carbon-rich plant and animal remains are called what?

What energy resources are easily replaced by nature?

The bouncing of light or sound off a surface is called

The bending of a wave as it passes from one medium to another is called what?

Matter that transmits all light is

The formula for wave speed is

On a wave, the distance from one crest to the next is called

What is an energy source that cannot be produced, grown, restored or reused as fast as it is used?