Vocabulary Practice

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Across
  1. 3. transfer of energy; always moves from hot to cold
  2. 6. heat rises and cool sinks
  3. 9. height of transverse wave
  4. 10. tool used to study cells
  5. 12. heat transfer by direct touch
  6. 13. two or more atoms bonded together
  7. 16. number of waves that pass in set amount of time
  8. 17. energy of motion
  9. 19. uses energy from sun to make sugar for plant
  10. 20. determines what enters and exits cell
Down
  1. 1. change of gas to liquid
  2. 2. cell that has a nucleus and membrane bound organelles
  3. 4. energy of wave taken in by matter
  4. 5. smallest unit of matter
  5. 7. no light can pass through
  6. 8. theory that states that all living things are made of cells
  7. 11. rigid layer of protection for plant cell
  8. 12. basic unit of life
  9. 14. control center for cell
  10. 15. material wave travels through
  11. 18. gel substance that fills cells and holds organelles in place