Across
- 2. a push, pull or twist
- 5. is a smaller body which rotates around another rotating body
- 8. to classify living things
- 9. orbit is a curved path of an object around a point in space
- 12. how hot or cold it is (Celcius)
Down
- 1. the amount of matter in an object
- 3. a biological community of interactive organisms and their physical enviroment
- 4. the natural home or enviroment of an animal,plant or other organisms
- 6. is a contact force between two surfaces
- 7. to organise things
- 10. measured in newtons
- 11. one of the classification levels