1.       In what state of matter are the particles closest to each other?
A.      Gas                                  B. Liquid                C. Plasma                           D. Solid
 
2.       Which of the following do the particles move the fastest?
A.      Air                                    B. Steel                                C. Water                D. Wood
 
3.       Which of the following is an example of a liquid?
A.      Air                                    B. Alcohol                            C.  Smoke               D. Sugar
 
4.       Which of the following is NOT a property of matter?
A.      Light                                B.  Mass                  C. Shape                           D. Volume
 
5.       What state of matter is ice?
A.      Gas                                  B. Liquid                C. Plasma                           D. Solid
                                        
6.       What do you call the process of changing solid into liquid?
A.      Evaporation                   B. Liquification                   C. Solidification                  D. Sublimation
 
7.       What phase change takes place when water is heated?
A. condensation                     B. evaporation                            C. freezing                     D. melting
 
8.   What is deposition? Phase change from_________.
        A. gas to solid                        B. liquid to solid                  C. solid to gas                      D. liquid to gas
 
 9.  What phase change happens when ice cube melts?
A. condensation                     B. evaporation                            C. freezing                     D. melting
 
10. Dry ice is used in fire extinguishers when sprayed on fire, it quickly changes into gas known as carbon dioxide.
       What is this change of phase called?
A. condensation                     B. Freezing                    C. Melting                     D. Sublimation
 
11. What is the charge of a proton?
       A. No charge                                                                      C.  positive charge      
       B. negative charge                                                           D.  positive and negative charge
 
12. Oxygen’s atomic number is 8. What does this mean? That an oxygen atom has ________.
        A. eight protons in its nucleus                                          C. a total of eight protons and neutrons
        B. eight neutrons in its nucleus                             D. a total of eight neutrons and electrons
 
13. What subatomic particle has a negative charge?
   A. electron                              B. ion                                    C.neutron                          
  D. proton
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