Phase Changes (chapter 1)

Which are the 3 basic states of matter?

• Solid, plasma, gas

• Solid, liquid, gas

• Gas, gasoline, natural gas

• Colloids, liquid, gas

Melting is ...

• liquid to solid
• solid to liquid
• solid to gas
• gas to liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Boiling is ...

• liquid to gas
• gas to solid
• gas to liquid
• solid to liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Freezing is...

• Solid to gas
• Liquid to solid
• Gas to solid
• Liquid to gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Change from gas to liquid...

• condensation
• evaporation
• expansion
• movement

Tags

NGSS.MS-PS1-4

Are there molecules moving in a solid brick?

• yes
• no
• maybe
• not sure

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

You have dropped your popsicle and are watching it become a LIQUID. Which answer BEST explains what PHASE CHANGE has occurred AND how the molecule MOVEMENT has changed?

• The PHASE CHANGE that has occurred is CONDENSATION and the molecule MOVEMENT has become FASTER.

• The PHASE CHANGE that has occurred is EVAPORATION and the molecule MOVEMENT has become SLOWER.

• The PHASE CHANGE that has occurred is MELTNG and the molecule MOVEMENT has become FASTER.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Before: 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

NGSS.MS-PS3-4

The molecules in this picture are in what phase?

• solid
• liquid
• gas
• plasma

Tags

NGSS.MS-PS1-4

What is a group of atoms joined together called?

• an atom
• molecule
• matter
• compound

Tags

NGSS.MS-PS1-1