7th Grade Science Review

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Across
  1. 2. molecule in the atmosphere responsible for blocking harmful UV radiation from the sun
  2. 5. A thin layer of gases surrounding Earth
  3. 7. Single celled organism that moves by a flagellum, and known for its eye spot.
  4. 9. Father of genetics (last name only)
  5. 11. Consists of skeletal muscles, tendons that connect muscles to bones, and ligaments that attach bones together to form joint (body system)
  6. 12. a push or pull
  7. 13. overall weather in an area over a long period of time
  8. 16. The group of organs that break down foods into chemical components that the body can absorb and use for energy and for building and repairing cells and tissues (body system)
Down
  1. 1. An organism's genetic makeup, or allele combinations.
  2. 3. most abundant element in the atmosphere
  3. 4. any living thing
  4. 6. device used to detect air pressure
  5. 8. speed and direction
  6. 10. A collection of tissues that carry out a specialized function of the body
  7. 14. distance divided by time
  8. 15. basic unit of life