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