Education Technology

Chemistry: Where Is the Heat?
by Texas Instruments - Simulation Lesson


  • 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.


  • 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.