Matter and Changes in Matter Unit Review

What line segment represents only the solid state?

• A-B
• B-C
• C-D
• D-E

Which state of matter has a definite volume, but no definite shape?

• solid

• liquid

• gas

• plasma

What happens to the particles when I add heat?

• The particles get bigger
• The particles get smaller
• The particles get slower
• The particles get faster

What state of matter does this picture represent?

• solid

• liquid

• gas

• plasma

What will happen to the volume of a gas under constant temperature if the pressure increases?

• Increase
• Decrease
• Nothing
• Explosion!

Which state of matter has particles that are still close together, but can move around each other?

• solid
• liquid
• gas

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

According to this graph, what is the melting point of this substance? (in degrees)

• 40

• 70

• 100

• 140

Which state of matter has particles arranged like this?

• solid
• liquid
• gas

Which state of matter has particles arranged like this?

• solid
• liquid
• gas