Pure Substances and Mixtures

1. ____ is the state of matter where the particles are furthest apart.
4. The process of separating liquids in a solution by heating the solution, trapping and cooling the gas, and collecting the resulting pure liquid.
5. A solution that cannot dissolve any more solute is a ____________(2).
7. The study of matter and its changes is called _______.
10. Water is an example of this state of matter.
11. __________(2) is a substance made of one type of particle.
13. ________ contains two or more pure substances mixed together.
15. In a solution, one kind of particle _________ into the other.
17. This three letter toxin is an example of a pollutant.
18. Anything that has mass and takes up space.
19. The process by which a sample of matter changes from a liquid to a gas.

2. The solute dissolves into the ________.
3. Scientists use this, the ____________ (4) to explain what they know about matter.
6. The energy released when the particles of pure substances like uranium split apart.
8. A rock is an example of this state of matter.
9. There are this many types of ways to separate mechanical mixtures.
11. All matter is made up of tiny little _________.
12. This mixture has more than one kind of particle, but they look like pure substances.
14. This liquid is called the universal solvent.
16. The part that dissolves is the ________.
18. This type of mixture is one where you can see the different parts of the mixture.
20. ___________ is any substance that contaminates the natural environment.