Chemistry: Where Is the Heat?

Objectives

• Students will observe how the particle movement changes as a substance changes state.
• Students will relate this information to a graph of change of state.
• Student will ascertain the melting and boiling points of each substance.

Vocabulary

• absolute zero
• boiling point
• change of state
• freezing point
• gas
• heat of fusion
• heat of vaporization
• liquid
• melting point
• solid

About the Lesson

This lesson visually shows the behavior of particles in a substance as the temperature changes.
As a result, students will:

• Understand the behavior of particles as substances change state.
• Identify the melting and boiling points of 3 substances by reading a graph.

This activity was created using Lua. Learn more about Lua in TI-Nspire here.