Across
- 3. phase of matter that takes the shape of the container
- 4. phase of matter where particles are spread far apart
- 6. sugar made during photosynthesis and needed for respiration
- 8. cell division that ends with the production of 2 daughter cells that are genetically identical
- 9. some cells have this, used for movement
- 10. subatomic particle found outside the nucleus of the atom; has a negative charge
- 13. on the periodic chart, equal to the number of protons
- 14. type of cell with cell wall, chloroplast, and large vacuole
- 15. the second most abundant gas in the atmosphere
- 18. cell does not have a nucleus; bacteria
- 19. controls all the cell's activities; contains DNA
- 21. cell has a nucleus
- 23. subatomic particle of an atom; neutral charge
- 24. the chemical name for energy
- 26. subatomic particle found in the nucleus of an atom; has a positive charge
- 28. system multiple organs working together
- 29. proteins are made here in the cell
Down
- 1. type of cell that lacks a cell wall; has centrioles
- 2. matter is neither created nor destroyed; chemical reactions must be balanced
- 5. process that occurs in the cells mitochondria and produces energy
- 7. basic unit of life
- 11. the most abundant gas in the atmosphere
- 12. made of multiple cells
- 16. cell division that is needed for reproduction
- 17. identical offspring
- 20. dioxide gas that is a reactant for photosynthesis and is a green house gas
- 22. basic unit of matter
- 25. process that uses that autotrophs do to make food and release oxygen gas
- 27. made of multiple tissues working together