Across
- 3. the most common element in the universe
- 6. What goes into a chemical reaction
- 8. a change that affects the basic nature of a substance
- 9. How strongly gravity pulls on a thing
- 11. A seperation technique that boils water away from another substance
- 12. Two or more atoms bonded together
- 14. An example of a physical change
- 15. Two or more substances mixed together
- 17. Where chemical energy is stored
- 18. a property that can be determined without changing the chemical composition of a substance
- 19. A mixture that is evenly mixed
- 20. Pure substance
- 21. Energy related to position, or stored energy
Down
- 1. a change that does not affect the basic nature of a substance
- 2. When this is released, a chemical reaction just happened
- 4. Energy of motion
- 5. A chart that visually organizes all of the elements
- 7. the behavior of a substance undergoing a chemical change
- 10. An example of a chemical change
- 13. A mixture that is unevenly mixed (can see the different parts)
- 15. How much matter something has
- 16. What comes out of a chemical reaction
