PBFP - Phases of Matter

What is the phase of matter characterized by a definite shape and volume?

• liquid

• gas

• solid

Which phase of matter has a definite volume but takes the shape of its container?

• Gas

• Solid

• Liquid

In which phase of matter do particles have the highest energy?

• solid

• liquid

• gas

What is the process called when a solid turns directly into a gas without passing through the liquid phase?

• Evaporation

• Melting

• Sublimation

• Condensation

Which phase of matter has particles that are closely packed together but can still move past each other?

• Solid

• Liquid

• Plasma

• Gas

What is the term for the change of state from a liquid to a solid?

• Melting

• Freezing

• Condensation

• Boiling

What is the definition of matter?

• Anything that occupies space and has mass.

• Everything that is liquid or gas.

• Anything that is visible.

• Everything that is solid.

What happens to the mass of a substance during a phase change?

• It increases.

• It decreases.

• It stays the same.

• It becomes zero.

Why does ice float on water?

• Because it's colder than water.

• Because it's structured differently than liquid water.

• Because it's colorless.

• Because it's made of water.

When energy is added to a solid, what typically happens to its particles?

• They condense.

• They vibrate more and may enter a liquid state.

• They become stationary.

• They disappear.