Quiz: States of Matter & Changes of State

First Name

Last Name

1. Motor oil has different ratings depending on how readily it flows (thickness of the oil). This illustrates the property of ____________.

• A. expandability
• B. flexibility
• C. viscosity
• D. colorfulness

2. The following diagrams show changes of state. Three are incorrect. Choose the diagram that is correct.

• A. solid ----------> liquid = evaporation
• B. solid ----------> gas = condensation
• C. liquid ----------> gas = condensation
• D. liquid ----------> gas = evaporation

3. When a liquid freezes into a solid, the particles of a substance _____________.

• A. lose energy
• B. gain energy
• C. move faster
• D. disappear

4. Which statement best identifies which of these models represents a gas?

• A. Diagram B is a gas, because its particles move more slowly and are farther apart.
• B. Diagram A is a gas, because its particles move more slowly and are closer together.
• C. Diagram B is a gas, because its particles move more quickly and are farther apart.
• D. Diagram A is a gas, because its particles move more quickly and are closer together.

6. Chelsea went ice-skating. The ice, her skates, the Zamboni, and the rink building were all examples of solids she encountered. She developed a model of the particles in the ice. Which of these statements about the particles present in her model of a solid are true? Choose the three statements that apply.

• A. They vibrate in place.
• B. They slide past each other.
• C. They are packed very closely together.
• D. They cause the solid to have definite volume and definite shape.

7. A scientist uses an instrument to observe the pattern of molecules within a substance. The picture below shows what the scientist sees. What state of matter is the scientist most likely observing?

• A. gas
• B. liquid
• C. vapor
• D. solid

8. Jolene takes a stick of butter from the refrigerator and puts it in a pan on the stove. As the butter starts to heat up, it will first change from ____________.

• A. solid to liquid
• B. liquid to gas
• C. solid to gas
• D. liquid to solid

9. A pond is pictured below in two different seasons. Which of the following has caused the changes in the pond from A to B?

• A. The pond water has lost heat energy.
• B. The pond water temperature has increased.
• C. Warm water has risen to the top of the pond.
• D. All of the water has evaporated from the pond.