Across
- 2. The process where matter changes
- 5. A number placed in front of a symbol or formula that balances an equation
- 9. States that matter cannot be created or destroyed
- 10. A number that sits below a symbol that tells how many atoms of an element are present
Down
- 1. A solid that forms from mixing two liquids
- 3. An easy way to show a reaction occuring
- 4. Substances that start a reaction
- 6. A reaction that releases thermal energy
- 7. A reaction that absorbs thermal energy
- 8. Substances that are made from a reaction