Across
- 4. system of gases surrounding Earth
- 6. when an experiment is completed by different scientist
- 9. the least compact state of matter
- 11. system of ice on Earth
- 13. when one scientist repeats an experiment for more data/evidence
- 17. variable that is known as the "outcome" variable
- 18. how much space something takes up
- 21. how much matter makes something up
- 23. basic unit of life
Down
- 1. variable that is known as the "testing" variable
- 2. explains why something happens in nature
- 3. anything that can change or be changed in an experiment
- 5. anything with mass & volume (comes in 3 states)
- 7. system of natural, non-living material
- 8. how much stuff PER the amount of space
- 10. the class where you learn about life, Earth, water, & gas
- 11. the variable that is kept the same in an experiment
- 12. system of water on, above, & below Earth
- 14. system of interacting life
- 15. the state of matter that takes the shape of the container it is in
- 16. basic unit of matter
- 19. describes what happens in nature
- 20. a representation that can help us see patterns of the world
- 22. the most compact state of matter