What will happen to the red as energy is removed?

• go up
• stays the same
• go down

This animation best describes a

• gas
• liquid
• solid

What is happening to the molecules in this picture?

• speeding up and moving closer together
• slowing down and moving closer together
• slowing down and moving farther apart
• speeding up and moving farther apart

What happens to molecule speed when energy is removed?

• 
• 

Energy is being ____ to the water molecules in the pot.

• added
• removed

This animation best describes a

• solid
• liquid
• gas

Rank the molecular arrangement from farthest apart to closest.

• solid, liquid, gas
• liquid, gas, solid
• gas, liquid, solid
• gas, solid, liquid

What happens to molecule speed when energy is added?

• 
• 

As the volume increased, what happened to the pressure?

• increased
• stayed the same
• decreased

This animation best describes a

• gas
• liquid
• solid