Information Review

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Across
  1. 2. curving outward
  2. 3. a clear thing that focuses light
  3. 7. a way to "see" things underwater using sound
  4. 10. things that fly around earth in space
  5. 12. ones and zeros
  6. 16. clear
  7. 17. Nerves that run up and down the back and transmit most messages between the body and brain
  8. 18. using reflected sound waves to find objects
  9. 20. not letting light through
  10. 21. write commands for a computer
Down
  1. 1. curving inward
  2. 4. sight taste touch smell and hearing
  3. 5. lets some light go through
  4. 6. getting or giving information to someone else
  5. 8. like when you see yourself in a mirror or water
  6. 9. using numbers
  7. 11. Colored part of the eye
  8. 13. Bending of light
  9. 14. what people used to send messages before phones
  10. 15. nerves that aren't your brain and spinalcolumn
  11. 17. organs eyes ears nose skin and tongue.
  12. 19. nervous system brain and spinal cord