Oxygen appears blue in both the liquid and solid states. The eighth video in a playlist about chemical elements discusses oxygen as both a gas and a liquid, and multiple demonstrations show the properties of oxygen.

Concepts

oxygen, chemical elements, the periodic table

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Additional Tags

science

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Instructional Ideas

• Perform the test for an oxygen-rich environment shown at the end of the video
• Discuss the difference between oxygen and ozone in more depth after watching the video

Classroom Considerations

• Relies on prior knowledge of the properties of liquids and gases

• This video is hosted on YouTube

Pros

• Offers subtitles in English and Portuguese
• Includes demonstrations typically too dangerous for most classrooms, giving students a chance to see someone performing them

Cons

• None

Common Core

SL.9-10.2 SL.11-12.2 RST.9-10.4 RST.11-12.4