Physical and Chemical Changes Vocabulary
Across
- 1. change occurs when atoms link together in new ways to create
- 5. of Conservation of Mass states that the mass of an object, or
- 11. examples: decaying, and burning
- 12. change a change that alters the form of an object without
- 15. the deterioration of a material or metal, as it reacts with its
- 16. different from the original substances. (also known as a chemical
- 17. point the temperature at which a substance goes from a liquid to a gas
- 18. how easily a substance is able to catch fire
Down
- 2. what type of matter it is. Examples: molding clay, sharpening a pencil
- 3. of objects never changes, no matter how the parts are rearranged.
- 4. an original substance at the beginning of a chemical reaction (usually
- 6. a substance at the end of a chemical reaction
- 7. 100°C)
- 8. a solid substance that forms and separates from a solution and
- 9. evidence of a chemical change
- 10. a thin layer of corrosion that forms over copper, brass, and silver.
- 13. point the temperature at which a substance becomes solid (32 °F;
- 14. property the way a substance reacts with other substances
- 18. on the left side of a chemical equation)