Understanding Phase Changes in Matter

What state of matter is pictured?

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4

Which of the following is NOT a state of matter?

• Solid

• Liquid

• Gas

• Plasma

• Light

Tags

NGSS.MS-PS1-4

What happens to the particles of a substance during melting?

• They move closer together.

• They move further apart.

• They stop moving.

• They change into a gas.

Tags

NGSS.MS-PS1-4

Which process describes the change from a liquid to a gas?

• Freezing

• Melting

• Evaporation

• Condensation

Tags

NGSS.MS-PS1-4

What is the term for the temperature at which a solid turns into a liquid?

• Boiling point

• Melting point

• Freezing point

• Condensation point

Tags

NGSS.MS-PS1-4

Which of the following processes is an example of condensation?

• Ice melting

• Water boiling

• Dew forming on grass

• Snow falling

Tags

NGSS.MS-ESS2-4

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

• It increases.

• It decreases.

• It remains constant.

• It fluctuates.

Tags

NGSS.MS-PS1-4

Which state of matter has a definite shape and volume?

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4

Which of the following is true about the particles in a gas?

• They are tightly packed and vibrate in place.

• They are closely packed and slide past each other.

• They are far apart and move freely.

• They are arranged in a regular pattern.

Which phase change occurs when a liquid becomes a solid?

• Melting

• Freezing

• Evaporation

• Condensation