States of Matter & Changes of State

1. What are the 2 main characteristics of MATTER?

• It takes a shape and always remains a solid. 

• It has MASS and VOLUME.

• It plays chess and drinks water. 

2. Which of the following is NOT a state of matter?

• Solid

• Liquid

• Gas

• Compressed Air

3. What is TRUE about solids?

• The volume usually changes. 

• They generally have a fixed mass and volume.

• The mass stays the same and the volume changes. 

4. What is TRUE about liquids?

• Liquids have a fixed volume. 

• Liquids mass always stays the same. 

5. What is TRUE about gases?

• Gases keep their shape.

• Gases take the shape of the entire container.

6. What is melting?

• change from gas to liquid

• change from solid to liquid

• change from solid to gas

7. Change from solid to liquid is...

• Melting.

• Solidification.

• Evaporation.

8. Liquid water in the freezer becames ice, this is called:

• Evaporation

• Melting

• Solidification

9. Which chage of state can you see in the video now?

• Solidification

• Evaporation

• Melting

10. How does water vapor change into liquid?

• It heats up. 

• It cools.