Across
- 3. starting substance that is part of a chemical reaction
- 5. a process where atoms rearrange to form a new substance
- 10. to change the order or position of something
- 11. letters and numbers showing the types and number of atoms that repeat to make up a substance
- 13. everything is made of this
- 14. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
- 15. the point where something melts
- 16. something that can be observed about a substance, such as color, smell, or boiling point
Down
- 1. something that is made of all the same atoms or groups of atoms
- 2. the relative size of things
- 4. a group of atoms joined together in a particular way
- 6. a structure formed by repeating groups of atoms linked together in a large network
- 7. something that is added to dirt and soil to help plants grow
- 8. an ending substance that is made during a chemical reaction
- 9. to rust or corrode
- 12. the point when water gets hot and bubbles