Phases (States) of Matter

What are the three phases or states of matter?

• Solid

• Liquid

• Gas

• Ice

For matter to change phases or states, you need ______

When you add energy to liquid water, the liquid transforms into which state or phase of matter?

• Solid

• Gas

• Liquid

• Plasma

What happens to molecules when they slow down?

• The molecules spread out.

• The molecules stay the same distance away.

• The molecules get closer together.

Energy makes ______ change from state to state or phase to phase.

What is absolute zero?

• When there is a little motion in the particles that make up matter.

• When there is no motion in the particles that make up matter.

In which phase or state of matter do molecules move the fastest?

• Gas

• Liquid

• Solid

Which state or phase of matter will hold its shape and NOT take on the shape of a container?

• Solid

• Liquid

• Gas

What was one new thing you learned from this video?