Phase Change Review Activity

What is matter defined as in the context of physical science?

• A substance that occupies space and has no mass

• A substance that has mass and occupies space

• A substance that neither has mass nor occupies space

• A concept only applicable in theoretical physics

Which of the following is NOT considered matter?

• Air

• Light

• Water

• Books

How many states of matter are commonly found on Earth?

• Two

• Three

• Four

• Five

What property do solids have according to the document?

• Indefinite shape and definite volume

• Definite shape and indefinite volume

• Definite shape and definite volume

• Indefinite shape and indefinite volume

What distinguishes the particles in a gas compared to those in a solid?

• Particles are tightly packed and vibrate

• Particles spread apart and move quickly

• Particles slide past one another

• Particles are static and closely bound

What happens to water when it gains heat energy from the sun?

• It disappears completely.

• It changes from liquid to gas.

• It becomes a solid.

• It remains unchanged.

As heat energy increases, what other factor increases according to the text?

• Pressure

• Volume

• Temperature

• Mass

What phase change occurs when a liquid becomes a gas?

• Freezing

• Condensation

• Vaporization

• Sublimation

According to the phase change diagram, what does point C represent?

• Solid phase

• Melting/Freezing

• Liquid phase

• Gas phase

What is the phase change called when a solid directly changes into a gas?

• Condensation

• Vaporization

• Sublimation

• Deposition