Heating and Cooling Curves

What parts of a graph happen when there is a change of state? What are these also called?

Plateaus, Phase Changes

What happens to the temperature when a substance melts?

It stays the same

What happens to the temperature when a substance boils?

It stays the same

The ___ and ___ occur at the same temperature.

melting and freezing

What happens to the energy when a substance freezes?

Energy is removed

What happens to the energy when a substance melts?

Energy is absorbed

What is temperature a measure of?

Average Kinetic Energy

What happens to kinetic energy when there is a plateau?

It remains constant

What happens to the temperature during a plateau?

It remains the same

During a plateau all the energy that is ___ or ____ is related to changes in _____ _____.

absorbed, released, Potential Energy

What are the three P’s?

Plateau, Phase Change and Potential Energy Change

What kind of curve is this?

Heating Curve

What kind of curve is this?

Cooling Curve