Phase Change 2 Freezing/Condensation

Open Ended

Why is having a snowman of ice getting warmth from the sun a phase change?

Multiple Choice

What happens to particles when they get hot?

• They move faster and can change from a solid to a liquid or a gas.

• They slow down and can change from a gas to a liquid or a solid.

• They remain in the same state.

• They disappear.

Multiple Choice

What happens to particles when matter cools down?

• They speed up and move apart.

• They slow down and come closer together.

• They disappear completely.

• They change color.

Multiple Choice

Why does water stop sloshing around and turn into ice after being in the freezer for some time?

• The water gets bored of moving and decides to rest.

• The particles gain energy and move faster, forming a solid.

• The particles lose heat energy, slow down, and lock together to become a solid.

• The air in the freezer pushes the water into ice cube shapes.

Multiple Choice

What happens to the gas particles in a balloon when it is placed in a freezer?

• The particles move faster and spread farther apart, making the balloon bigger.

• The particles slow down and take up less space, so the balloon shrinks.

• The gas turns into a solid and breaks the balloon.

• The particles stop moving completely and disappear.

Open Ended

Explain why car tires can look deflated in winter, even if they don’t have a hole.

Multiple Choice

What are the different types of phase changes?

• Melting, Freezing, Evaporation, Condensation

• Boiling, Freezing, Melting, Sublimation

• Condensation, Evaporation, Boiling, Freezing