Across
- 4. a program or diagram that helps make things simpler and easier to see
- 5. a formula that shows you the amount and types of atoms to make a substance
- 8. the relative size of something
- 9. what the entire world is made of
- 11. the temperature where a substance turns into a liquid
- 12. a substance that is part of a chemical reaction
- 14. a group of atoms linked together to make a structure
- 16. when something changes from liquid to gas
Down
- 1. something that is made from a group of atoms
- 2. the process of atoms rearranging themselves to make a new substance
- 3. the substance that is made after a chemical reaction
- 6. a substance that you can add to plants to help them grow
- 7. something that can be observed of a substance
- 10. a way that groups of atoms are connected
- 13. can cause damage
- 15. to change the order or position of something