Lesson Plan: Forms of Water Science

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to name, describe, and identify the three forms of water and explain how we can use heating and cooling to change between the different forms.


Students will be able to

  • name and describe the three forms of water: ice, water and water vapor/steam,
  • identify pictures of each form of water,
  • list examples of each form of water from everyday life,
  • describe how water can be changed between the different forms using heating and cooling.


Students should already be familiar with

  • using the senses to describe water,
  • water as a material,
  • sources of water on Earth,
  • the terms solid, liquid, and gas,
  • the properties of solids, liquids and gases.


Students will not cover

  • the terms freezing point or melting point,
  • the freezing/melting point of pure water (0C),
  • the boiling/condensing point of pure water (100C),
  • the terms evaporation and condensation,
  • the definition of boiling,
  • how impurities affect freezing and boiling,
  • the water cycle,
  • properties of salt water,
  • the chemical name and structure of water.

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