Across
- 3. something that is made up of one type of atom or groups of atoms
- 5. the reddish brown substance in the water
- 7. ideas formed by thinking based on information
- 10. an ending substance that is part of a chemical reaction
- 11. a process where atoms rearrange to form new substances
- 14. statement made based on evidence in answer to a question
- 15. information gathered with the five senses
- 16. science thinking that connects the evidence to the claim
Down
- 1. matter cannot be created or destroyed
- 2. data gathered from reliable sources or experiments
- 4. something that can be observed about a substance
- 6. the substance in the water that came from the farm
- 8. a starting substance that is part of a chemical reaction
- 9. nitrate the additional substance found in the pipes
- 12. the substance the pipes were made out of
- 13. tiny pieces of matter that make up everything