Across
- 2. effect theory of albert einstein about quantum
- 3. curves inward, reflecting light outward, and can converge parallel rays
- 7. curves outward, reflecting light outward, and diverges parallel rays
- 8. used to heat or cook food
- 12. leaves the object and strikes the mirror
- 15. forms of em waves that enables us to see
- 16. a type of reflection where in reflected ray go in different directions; happens in smooth and shiny surface
- 17. used for communication
- 19. generates their own light
- 20. can kill cells, including cancerous cells
Down
- 1. converts mechanical energy to electrical energy
- 4. discovered by johann wilhehm ritter
- 5. quantum theory
- 6. widely known for their ability to see through objects
- 9. reflect light
- 10. has high energy and can remove electrons from atoms (ex. x-rays, gamma rays)
- 11. has lower energy and generally cannot remove electrons (ex. radiowaves, visible light)
- 13. device that converts electrical energy into mechanical energy to produce a turning effect
- 14. leaves mirror and strikes your eye
- 18. an object that absorbs all electromagnetic radiation that falls on it