Unit 4 Criss-Cross Puzzle

Fill in the puzzle based on the clues listed below the puzzle.

 

Across

7. radiation with energies greater than visible light

 

Down

1. the energy associated with the phase of a material

2. a material which light can travel through

3. a system that has no mass input or output

4. the change in direction (bending) of light when it passes at an angle from one material to a different material

5. the conversion of a material from one state to another like gas to liquid

6. a quantity that does not change during an interaction is ___________

8. radiation with energies lower than visible light