Molecules in Motion · Physical Science

States of Matter and Thermal Energy

Students investigate how adding or removing thermal energy changes the arrangement and motion of particles in solids, liquids, and gases.

Key Questions

  1. 1What happens to the molecules in a solid when it begins to melt?
  2. 2How does temperature relate to the speed of particles in a substance?
  3. 3Why do different substances react differently to the same amount of heat?

Common Core State Standards

MS-PS1-4
Grade: 6th Grade
Subject: Science
Unit: Molecules in Motion
Period: Physical Science

Suggested Methodologies

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