Phase Change Unit Review

Poll

How confident are you for this assessment?

• I got this!

• I feel pretty good

• I definitely need to review....

• I am getting nervous

Multiple Select

Ok, easy start - what are the three main states (or phases) of matter? (select all that apply)

• solid

• liquid

• gas

• plasma

Multiple Choice

How do we describe the way molecules move in a solid?

• molecules move in place

• molecules move around each other

• molecules move away from each other?

Multiple Choice

How do we describe the way molecules move in a liquid?

• molecules move in place

• molecules move around each other

• molecules move away from each other?

Multiple Choice

How do we describe the way molecules move in a gas?

• molecules move in place

• molecules move around each other

• molecules move away from each other?

Draw

Draw the molecules in a solid:

Multiple Choice

Which phase of matter has molecules that move the fastest?

• solid

• liquid

• gas

Multiple Choice

Which phase of matter has molecules that move the slowest?

• solid

• liquid

• gas

Multiple Choice

True or False: All phase changes are driven by energy transferring into or out of a substance.

• True

• False

• Talse

• Frue

Multiple Choice

If we transfer energy out of a substance with molecules moving away from each other and it changes phase, how will the molecules move now?

• they will move in place

• they will move around each other

• they will move away from each other

Draw

Draw the molecules in a liquid:

Draw

Draw the molecules in a gas: