How can something we can't see be so powerful? Gas molecules make an impact! This video explains their properties: 1. Gas particles always move in a straight line. 2. They are too small to occupy any volume individually. 3. When gas molecules collide, energy is conserved. 4. Individual gas molecules do not attract each other. 5. Gases have energy proportional to their temperatures. After watching the video, the class can review by answering the accompanying questions, or they can investigate further with the provided links to other resources.

Concepts

properties of gases, gases, behavior of gases

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Additional Tags

properties of gases, behavior of gases, science

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Pros

• A teen-friendly chalkboard-style animation catches attention
• Can be used as foundational material for meeting Next Generation Science Standards in middle school physical science
• Additional resources and assessment questions included

Cons

• A few of the links to additional resources in Dig Deeper don't work, but plenty of valuable connections are still available

Common Core

RST.6-8.9