Across
- 4. a mixture in which particles are spread evenly
- 6. a characteristic that can be measured without changing the substance
- 8. the building block of all matter
- 11. anything that has mass and volume
- 13. a mixture in which particles are not spread evenly
- 15. the process by which one or more substances change to produce one or more new substances
- 17. a substance made of two or more atoms (same type or different)chemically combined
- 18. a substance produced by a chemical reaction
Down
- 1. one substance that is not mixed with anything else; an original substance
- 2. a chemical reaction in which energy is absorbed and temperature decreases
- 3. a change that occurs without forming a new substance
- 5. a combination of two or more substances that do not change
- 7. a chemical reaction in which energy is released and temperature increases
- 9. the total kinetic energy of the tiny particles that make up matter
- 10. a substance that takes part in and undergoes a chemical reaction
- 12. a pure substance made of only one type of matter
- 14. a liquid mixture with a uniform composition formed when a solid dissolves in a liquid
- 16. a substance made of two or more types of elements that are chemically combined