Light energy

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Across
  1. 1. The opposite of flat (adj)
  2. 5. A mirror that sinks inwards is called a ______ mirror (adj)
  3. 6. Another word for backwards (adj)
  4. 8. Describes an image that looks strange, unclear or blurry (adj)
  5. 10. Another word for a corner. Can be 90 degrees, 180 degrees etc (noun)
  6. 13. The opposite of inwards is ______ (adj)
  7. 15. An object (usually a piece of glass) that bends light (noun)
  8. 16. Go up and down, like a ball (verb)
  9. 17. A line of light is also called a WHAT (noun)
Down
  1. 1. The opposite of straight (adj)
  2. 2. opposite of upwards is ______ (adj)
  3. 3. Light bounces off a surface (verb)
  4. 4. An activity to test or demonstrate scientific facts (noun)
  5. 7. Light bends as it passes through a substance (verb)
  6. 9. A straight thing changes to become a curve (verb)
  7. 11. A mirror that bulges out is called a ______ mirror (adj)
  8. 12. To make something appear bigger (verb)
  9. 14. The flat top of a table can also be called the ______ of the table (noun)
  10. 18. Another word for look like (verb)