Phases and Phase Changes

Phase of Matter and Phase Changes

What are the three phases of Matter?

Let's review some things you should know about the phases of matter

Multiple Choice

Which phase of matter is represented by the atoms in this diagram? 

• Solid

• Liquid

• Gas

Multiple Choice

Which phase of matter is represented by the atoms in this diagram? 

• Solid

• Liquid

• Gas

Multiple Choice

The phase of matter with a definite volume but no definate shape is a

• Liquid

• Gas

• Solid

Multiple Choice

The phase of matter with a definite shape and volume is a

• Liquid

• Gas

• Solid

Multiple Choice

Gases have a...

• definite shape and volume

• 
  definite shape and indefinite volume

• No definate shape or volume

How does matter change from one phase into another?

Multiple Choice

Adding heat energy causes the atoms to...

• move slower

• move faster

• stop moving altogether

Multiple Choice

Removing heat energy (cooling) causes the atoms to

• move slower

• move faster

• stop moving altogether

Multiple Choice

What best describes the motion of atoms in a solid? 

• vibrating slowly in place

• 
  sliding past each other

• moving rapidly in all directions

Speaking of waiting for gold to melt...

At what temperature would this happen?

Multiple Choice

What is the melting point of gold?

• 527 K

• 1337 K

• 5000 K

• 3129 K

Heating and Cooling curve worksheet