Exploring States of Matter and Phase Changes

Which state of matter is not the focus of this tutorial?

• Liquids

• Plasmas

• Solids

• Gases

Tags

NGSS.MS-PS1-4

What is the term for the phase change from solid to liquid?

• Condensation

• Sublimation

• Fusion

• Vaporization

Tags

NGSS.MS-PS1-4

What is the process called when a gas turns into a liquid?

• Deposition

• Condensation

• Sublimation

• Melting

Tags

NGSS.MS-PS1-4

Which phase change involves a substance going directly from a solid to a gas?

• Freezing

• Condensation

• Melting

• Sublimation

Tags

NGSS.MS-PS1-4

What happens to the kinetic energy distribution of particles at higher temperatures?

• It decreases

• It remains the same

• It becomes more concentrated

• It becomes more dispersed

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the term for the pressure of vapor above a liquid in a sealed container?

• Condensation point

• Atmospheric pressure

• Boiling point

• Vapor pressure

During a phase change, what happens to the temperature of the substance?

• It remains constant

• It fluctuates

• It decreases

• It increases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Why is the heat of vaporization for water significantly higher than the heat of fusion?

• Because vaporization involves forming new bonds

• Because fusion requires breaking intermolecular forces

• Because vaporization requires breaking intermolecular forces

• Because fusion involves forming new bonds

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is the point called where all three states of matter exist simultaneously?

• Boiling point

• Triple point

• Freezing point

• Critical point

What is a supercritical fluid?

• A fluid with a clear boundary between liquid and gas

• A gas that behaves like a solid

• A fluid with no definitive boundary between liquid and gas

• A solid that behaves like a liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4