1. What is the name for anything that has mass and takes up space? A.Atoms B.Matter C.Molecules D.Stuff B. Matter

2. Which of the following is NOT true about an atom. A.Atoms are the building blocks of all matter. B.An atom is the smallest possible piece of matter. C.You can see atoms if you look really closely. D.All matter is made up of atoms. C. You can see atoms if you look really closely.

3. The smallest piece of a compound that still has properties of that compound is a: A.Molecule B.Atom C.Matter D.Element A. Molecule

4. The central core of an atom is called the: A.Atomic core B.Nucleus C.Proton D.Molecule B. Nucleus

5. Matter made up of only one type of atom is: A.Compound B.Mixture C.Element D.Water C. Element

6. A combination of two or more atoms that change when combined is a: A.Mixture B.Solution C.Duck D.Compound

7. Which of the following is an example of a compound? A.Water B.Trail Mix C.Kool-Aid D.Oxygen A. Water

8. A combination of matter that is easy to separate is: A.Compound B.Mixture C.Solution D.Water B. Mixture

9. A special type of mixture where all parts are evenly mixed is a: A.Compound B.Solution C.Molecule D.Element B. Solution

10. What is Kool-Aid an example of? A.Compound B.Mixture C.Solution D.Both a mixture and a solution.

11. How many phases of matter are there? A.109 B.30 C.3 D.5 C. 3

12. In this phase of matter, the particles are packed tightly together and do not move around much: A.Solid B.Liquid C.Gas D.Plasma A. Solid

13. In this phase of matter, the substance will take the shape of it’s container but not fill the container: A.Solid B.Liquid C.Gas D.Plasma B. Liquid

14. In this phase, the matter does not take the shape of its container: A.Solid B.Liquid C.Gas D.Liquid and Gas A. Solid

15. In this phase, the particles move freely to fill a container: A.Solids B.Liquids C.Gas D.Plasma C. Gas

16. The process that changes a liquid to a gas quickly when heat is added is called: A.Evaporation B.Condensation C.Melting D.Boiling

17. When a solid changes to a liquid it is called: A.Evaporation B.Condensation C.Melting D.Boiling C. Melting

18. When heat is added to a solid, it changes to a: A.Liquid B.Gas C.Molecule D.Duck A. liquid

19. When gas changes to liquid, this is called: A.Evaporation B.Condensation C.Melting D.Boiling B. Condensation

20. When heat is taken from a liquid, it changes to a: A.Solid B.Gas C.Plasma D.Molecule A. Solid

21. When a liquid slowly changes to a gas at the surface, it is called: A.Evaporation B.Condensation C.Melting D.Boiling A. Evaporation

22. When a loss of heat changes a liquid to a solid, it is called: A.Evaporation B.Condensation C.Melting D.Freezing

23. The temperature at which matter turns from liquid to gas is called: A.Freezing point B.Boiling C.Boiling point D.Freezing C. Boiling point

24. All matter is made up of tiny particles called _______ that are too small to be seen. A.Elements B.Atoms C.Molecules D.Nucleus B. Atoms

25. What is an element? A.The smallest particle of matter B.A combination of molecules C.A mixture D.A pure substance

26. There are _____ known elements. A.3 B.Over 100 C.99 D.40 B. Over 100

27. The smallest piece of water that is still water is: A.An atom B.An element C.A molecule D.Hydrogen C. A molecule

28. Which of these is an example of a mixture? A.Trail mix B.Salt C.Aluminum D.Both A and B A. Trail mix

29. Matter can change phases when _____ is added or taken away. A.Heat B.Energy C.Cold D.Both A and B

30. In solids, the particles form a repeating pattern called: A.Solid blocks B.Ice C.Crystals D.Atomic patterns C. Crystals