Across
- 5. an arguable statement
- 7. observations and measurements that support a claim
- 9. a collection of information
- 12. the idea that energy is not created nor destroyed
- 14. a system that organizes the Earth's 4.6 billion year old history into eras
- 15. an explanation of the natural world that has been tested over time
- 16. the science and theory that support a claim
- 18. an event and its outcomes
- 19. a complex particle made of more than one atom
Down
- 1. the part of the earth that includes clouds, rain, lake, etc
- 2. a molecule produces during combustion (burning)
- 3. solids, liquids, and gasses
- 4. another word for burning
- 6. the part of the earth that includes air
- 8. the ability to do work or cause change
- 10. the part of the earth that includes the land and rock
- 11. a standard size like meters or grams used to count something
- 13. the part of the earth that includes living things
- 17. factual descriptions of what you see, smell, taste, hear, or feel