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