Across
- 5. an object,diagram,or computer program
- 7. a structre formed by repeating groups of atoms
- 10. the relat
- 12. something that is made of all the same atoms
- 13. able to cause damage
- 15. a starting substance that is part of a chemical reaction
- 16. when water gets hot
Down
- 1. something that can be observed
- 2. an ending substance that is made during a chemical reaction
- 3. the temp at which a substance changes from solid to liquid
- 4. a group of atoms joined together
- 6. a substance that is added to soil to help plants grow
- 8. a process in attoms rearrange to for another substance
- 9. everything is made of it
- 11. the relative size of something
- 13. number of atoms that repeat to make substance
- 14. to change the order or posotion of something
