Across
- 3. A material substance that light can propagate through
- 5. Light with only one wavelength or color
- 6. Bending of light from one medium to another
- 8. Bending of waves around the corners of an object
- 9. Caving or curving inwards, like a mirror or lens
- 11. Particle of light
- 12. The light moving towards a surface
- 13. Oscillations that transfer energy from one place to another
- 15. Inventor of telescope
- 17. Camera made of dark box with a small hole
Down
- 1. Light bouncing from a surface
- 2. Light spreading out from a point
- 4. Light oscillates in one direction
- 7. Instrument causing repeated reflection
- 9. Lines meeting together at a point
- 10. Curving or bulging outwards, like a mirror or lens
- 11. Basic unit of matter
- 14. In phase waves are called _____
- 16. Makes things visible, allows us to see