1. 1.Water vapor in the air turns into the form of rain. This is an example of A. Physical change B. Chemical change C. Chemical equation D. Chemical formula

2. 2. Suppose the magnet shown below was cut in half along the dotted line. What would the result be? A. The two pieces would not be magnets. B. Only one piece would be magnets. C.2 magnets would be formed, each with a north and south pole. D.2 magnets would be formed, one with only a north pole and one with only a south pole. NS

3. 3. A. combination of two or more atoms that act as a single unit is called A. An element B. A compound C. A molecule D. A solution

4. 4. _________________ is a form of energy that is produced by the movement of molecules in a substance. A. Temperature B. Conduction C. Heat D. Radiation

5. 5. Which of the states illustrated below represents a liquid? Explain why! A. State A B. State B C. State C D. States A & B ABC