Science Vocabulary Terms
Across
- 2. pressure caused by the weight of air above an area
- 5. showers and thunderstorms
- 7. number of energy levels/shells is determined by
- 10. organisms whose cells lack a nucleus and other organelles
- 11. a table of chemical elements
- 13. subatomic particle with a negative charge
Down
- 1. tells us the number of atoms
- 3. the process in which different types of living organisms are thought to have developed or diversified
- 4. a biological community of interacting organisms and their physical environment
- 6. group 18 on periodic table
- 8. organisms whose cells contain a nucleus and membrane-bound organelles
- 9. a diagram which shows the flow of energy through many organisms
- 10. subatomic particle with positive charge
- 12. the study of living organisms
- 14. smallest living unit that makes up all living organisms