Across
- 2. the rain no one should play in
- 5. the amount of matter per unit volume
- 6. something you can not farm is called
- 8. the ___ ____ theory
- 10. the rocks of space
- 11. the amount of people is called
- 13. something farm able is called
Down
- 1. a chain that shows who eats who
- 3. pluto is a _____ ______
- 4. a wed that can have one then one food chian's
- 7. this is famous for being bad for the earth
- 9. things near the earth is called
- 12. The amount of energy converted into light, heat sound, or motion every second.
- 14. it takes 9.46 trillion kilometres to go one _________