Matter and Its Mysteries · Physical Science

Reversible and Irreversible Changes

Observing how heating and cooling can change matter and determining if those changes can be undone.

Key Questions

  1. 1Why does an ice cube turn back to water while a baked cake stays a cake?
  2. 2How does temperature change the way a material behaves?
  3. 3What causes some materials to change forever when they get hot?

Common Core State Standards

2-PS1-4
Grade: 2nd Grade
Subject: Science
Unit: Matter and Its Mysteries
Period: Physical Science

Suggested Methodologies

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