Across
- 3. web clue: animals eating other animals
- 5. clue: finding something out
- 6. variable clue: a thing you want to know when you are investigating
- 9. variable clue: a thing we want to control when we are investigating
- 10. clue: something in a soil
- 11. clue: animals that eat another animal
Down
- 1. clue: missed shape
- 2. clue: a print or cast that was in the sedimentary rock for a long time
- 4. clue: a layer in the planet earth
- 7. clue: make food
- 8. clue: toxic substance build up while it past the food chain