Read the clue. Fill in the crossword puzzle with the correct word. The crossword puzzle will turn green if you are correct! Take a picture of the completed puzzle to show your teacher.
1. transfer of energy from light waves to an object
2. a piece of glass or plastic that is curved inward. The edges are thicker than the middle.
3. a piece of glass or plastic that is curved outward. The edges are thinner than the middle.
4. the group of electromagnetic waves, arranged by wavelength
5. energy waves that have both electric and magnetic fields
6. no light passes through; makes a dark shadow
7. the part of the wave with the greatest amount of energy
8. red, green, and blue
9. red, yellow, and blue
10. light waves bounce off an object and into the eye
11. light waves bend as they pass from one material to another
12. the part of the eye that receives the image and sends signals to the brain telling the brain what the image is
13. when light waves move through objects but are scattered; makes a faint shadow
14. when light is able to shine through an object
15. when light waves move through objects without being scattered; makes no shadow
16. the part of the wave with the least amount of energy
17. distance between two waves
18. from the sun and makes up of all the colors of the rainbow red, orange, yellow, green, blue, indigo, and violet
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