Across
- 4. the ability to do work
- 7. controls the cell activity
- 8. heat energy is given off from gas
- 12. the proccess of change throught out time
- 13. a push or pull
- 14. were an animal lives and grows and reproduces
- 15. controls the activitis of cell
- 16. a mixture of gaseous elements and compounds
- 17. made up of organisms that look alike
- 18. part of the energy from the stars , suns, fires, etc
Down
- 1. anything that takes up space and has mass
- 2. movement of a substance
- 3. all organisims can do what
- 5. all living things do what
- 6. form of mechanical energy
- 8. green oval shaped only found in plants cells
- 9. energy/ the enrgy stored in the nucleus of an atom
- 10. groups of organized cells
- 11. diffusion of water across the cell membrane