Science

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