Final Science Exam Review

123456789101112131415161718192021
Across
  1. 9. a collection of tissues
  2. 11. puffy clouds
  3. 13. bottom layer of the atmosphere
  4. 15. coldest layer of the atmosphere
  5. 17. Evaporation of water from a plant
  6. 20. cell division of body cells
  7. 21. water vapor in the air
Down
  1. 1. made of one cell
  2. 2. body system that gets rid of carbondioxide
  3. 3. where DNA is stored
  4. 4. storage of a cell
  5. 5. gases that surround the earth
  6. 6. outer layer of the thermosphere
  7. 7. clouds that are high in the sky
  8. 8. photosynthesis in plant cells
  9. 10. segment of DNA that is for a specifictrait
  10. 12. clouds that cover most of the sky
  11. 14. something that is living
  12. 16. used to sense sunlight
  13. 18. clouds in the middle of the sky
  14. 19. type of cloud that means rain