Across
- 2. the smallest unit of matter
- 7. the formula for carbon dioxide
- 8. data that does not have numbers
- 10. a system in which matter can go in/out
- 12. sharing electrons between atoms
- 13. a waste product of photosynthesis
- 14. a type of question that needs to be answered with an experiment
- 15. data that includes measurements (numbers)
- 16. the variable that is being measured (data)
Down
- 1. two or more atoms bonded together
- 3. a system in which matter cannot go in/out
- 4. without it, there would be no us!
- 5. a molecule that is made during photosynthesis and stores energy
- 6. anything that has mass and takes up space
- 9. a prediction to answer a testable question
- 11. the variable that is being tested in an experiment