Across
- 2. The place where living things live and reproduce.
- 5. The unit of measurement for force.
- 7. The force that causes wear and tear of moving parts.
- 10. Magnetic force of ______ acts on two magnets with like poles facing each other.
- 11. Another word for 'living things'.
- 13. Frictional force always _____ motion.
- 15. This is the result of gravity acting on the mass of objects.
Down
- 1. A force can change the ______ of a moving object.
- 3. The _____ of an environment affects the kind of living things found there.
- 4. Bacteria and fungi are ______.
- 6. The force that pulls objects towards Earth.
- 8. A stretched or compressed spring exerts an _____ spring force.
- 9. A compressed spring returns to its ______ length when released.
- 12. Two of more populations living in the same place.
- 14. Two or more organisms of the same kind living in the same place.