Solids, Liquids and Gases Review

Which is NOT a characteristic of a solid?

• All solids have a definite shape.
• All solids have mass.
• All solids have molecules that are loosely packed together.
• All solids take up space.

What allows a liquid to take the shape of it's container?

• It's loosely packed molecules.
• The mass is possess.
• The volume of a liquid.
• None of the above.

What is phase change?

• When matter burns.
• When matter stays the same.
• When matter changes from one state to another.
• When matter changes different colors.

True or False: The boiling point is the temperature that a substance turns from a liquid to a gas?

• True
• False

The _____________ point is the temperature at which a substance changes from a liquid to a solid.

• boiling
• melting
• combustion
• freezing

What is condensation?

• The process where a substance changes from a gas to a liquid.
• The process where a substance changes from a solid to a liquid.
• The process where a substance changes from a liquid to a gas.
• The process where a substance changes from a liquid to a solid.

What is evaporation?

• The process where a substance changes from a gas to a liquid.
• The process where a substance changes from a solid to a liquid.
• The process where a substance changes from a liquid to a gas.
• The process where a substance changes from a liquid to a solid.

In which state of matter are molecules moving the slowest?

• solid
• liquid
• gas
• all of the above

Which of the following causes a solid to change to a liquid?

• the freezing point
• evaporation
• cold
• heat

Which substance is a crystalline solid?

• butter
• salt
• water
• plastic