Across
- 1. measuring things outside our galaxy and in other universes
- 4. goes fastest in solids and slowest in air
- 6. light bouncing off of a medium
- 9. the bottom part of a wave
- 11. the top part of a wave
- 12. the number of crest produced in an amount of time
Down
- 1. light being absorbed by colors, black absorbs all colors
- 2. the distance from one crest to the next
- 3. a spectrum of waves that radiates from the sun
- 5. air,liquid,solids
- 7. goes fastest in gases and slowest in solids
- 8. distance of planets from the sun within our galaxy
- 10. light bending in a denser or lighter medium