Phase Changes, Freedom of Movement and Kinetic Energy

What is the average kinetic energy of a substance called?

• volume

• temperature

• pressure

• movement

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

molecules move around each other, After: molecules move in place

• Before, the substance was a solid and later a liquid.

• Before,the substance was a gas, and later a liquid.

• Before, the substance was a liquid and later a solid.

• Before,the substance was a liquid, and later a gas.

Tags

NGSS.MS-PS1-4

A student left a sealed jar of water in her freezer. When she returned twelve hours later, the water had changed phase and was a solid. What happened to the water molecules?

• Before, the molecules were moving in place. After, the molecules were moving around each other.

• Before, the molecules were moving around each other. After, the molecules were moving in place.
  

• Before, the molecules were moving away from each other. After, the molecules were moving around each other.
  

Tags

NGSS.MS-PS1-4

When the molecules move differently this is called a

• Osmosis

• Phase Change

• Matter

• Energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Transition from a solid to a liquid

• Condensation

• Melting

• Freezing

• Evaporation

Tags

NGSS.MS-PS1-4

Transition from a liquid to a gas

• Condensation

• Freezing

• Evaporation

• Melting

Tags

NGSS.MS-PS1-4

Transition from a liquid to a solid

• Freezing

• Sublimation

• Melting

• Evaporation

Tags

NGSS.MS-PS1-4

Gas condenses to a liquid

• Evaporation

• Melting

• Freezing

• Condensation

Tags

NGSS.MS-PS1-4

Which state of matter has a medium freedom of movement?

Which state of matter has a low freedom of movement?