Gr 8 Science (2)

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Across
  1. 3. The build up of DDT in an animals body
  2. 5. Like poles of magnets
  3. 6. The build up of DDT in an apex predators body
  4. 8. An inert metal
  5. 9. A subatomic partical found in the nucleus of an atom
  6. 11. Limewater is used to test for this gas
  7. 12. The temperature is lower after the reaction
Down
  1. 1. A negatively charged subatomic particle
  2. 2. Ecosystems contain many different ...
  3. 4. Energy is given off into the environment
  4. 7. Speed x Time
  5. 8. Stars, Planets, Planets and Gas
  6. 10. Changing the speed and direction of light