Changes of State Answers

A cylinder at left with balls evenly spaced throughout the cylinder with an arrow leading to a cylinder at right with balls stacked near the bottom of the cylinder.

During which changes of state do atoms overcome the attractive forces between them?

What happens if atoms lose energy during a change of state?

Which is the process by which a solid changes to a liquid?

What happens during evaporation?

During which changes of state does the motion of the atoms decrease?

Freida wants to model the way atoms move when a substance changes its state. To do this, Freida makes a pyramid of marshmallows. Then, she knocked down the pyramid causing the marshmallows to fall.

A cylinder at left has balls stacked near its bottom with an arrow leading to a cylinder at right with balls evenly spaced throughout the cylinder.

During which change of state would the volume of a substance increase the most?