Topic 3 Vocab

1. A mixture where tiny particles are spread throughout but don’t settle out.
4. A mixture where one substance dissolves completely in another.
6. A substance that starts a chemical reaction.
8. Materials found in nature that people use.
9. The new substance formed after a chemical reaction.
12. A mixture where particles are spread out but will eventually settle at the bottom.
14. A type of chemical reaction that releases heat and feels warm.
15. A large molecule made by joining many smaller molecules together.
17. A type of change in size, shape, or state that doesn’t create a new substance.
19. Made by humans, not found naturally.

2. Says that matter cannot be created or destroyed in a chemical reaction; it only changes form.
3. The substance that dissolves the solute in a solution.
5. A system where matter can enter or leave.
7. The substance that gets dissolved in a solution.
10. A type of chemical reaction that absorbs heat and feels cold.
11. A system where no matter enters or leaves.
13. How much of a solute can dissolve in a solvent at a certain temperature.
16. A type of change where substances combine or break apart to form new substances.
18. A combination of two or more substances that are not chemically joined.