• Introduction
• A Closer Look
  • Chemical vs. Physical Change
  • Chemical Reactions in the Video
  • Are All Atoms the Same?
  • Where Does the "Weight" Go?
• Children's Ideas
• Featured Classroom
• Interactive Activity: 5-Question Survey

Physical Science: Session 4

A Closer Look

Look for the following topics in the video, indicated by the onscreen icon, and click below to learn more.

Chemical Vs. Physical Change	Chemical Reactions in the Video
Are All Atoms the Same?	Where Does the "Weight" Go?

 

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