Across
- 1. answers posed question
- 4. space object takes up
- 7. system of ideas intended to explain something
- 10. mesuarment of how much matter is in object
- 12. smallest building block
- 13. 2+ atoms w same atomic number
- 14. logical relationship between 2 things
Down
- 2. controlled by experimenter
- 3. educated guess
- 5. value of substance
- 6. statement that cant be proven
- 8. statement established by observation
- 9. mass # of protons + neutrons
- 11. atom created by gain of electron