Phase Changes and Intermolecular Forces

Intermolecular forces are the forces

• within molecules
• between molecules

During a phase change, kinetic energy is causing which of the following to happen?

• the temperature goes up
• intermolecular forces change
• the temperature goes down

Tags

NGSS.MS-PS1-4

Phase change from a gas to a liquid.

• condensation
• evaporation
• melting
• deposition

Tags

NGSS.MS-PS1-4

A gas

• has a definite shape but no definite volume
• has a definite volume but no definite shape
• has fast-moving particles

Tags

NGSS.MS-PS1-4

The opposite phase of melting is 

• freezing 
• sublimation
• condensation 
• deposition 

Tags

NGSS.MS-PS1-4

Which state of matter has molecules that slide past each other but stay close together? They do not form a regular pattern.

• solid
• liquid
• gas

Tags

NGSS.MS-PS1-4

In which state are the particles least able to move?  (Which is the solid?)

• State A
• State B
• State C
• None

Tags

NGSS.MS-PS1-4

Which of the following terms identifies the change from a liquid to solid?

• Melting
• Condensation
• Vaporization
• Freezing

Tags

NGSS.MS-PS1-4

Which of the following terms identifies the change from a liquid to gas?

• Vaporization
• Condensation
• Deposition
• Sublimation

Tags

NGSS.MS-PS1-4

What is the freezing point of water?

• 0° Celcius
• 50° Celcius
• 75° Celcius
• 100° Celcius

Tags

NGSS.MS-PS1-4