Alkaline earth metals each burn with a different-colored flame. The seventh video in a 15-part series focuses on the alkaline earth metals in group two. It discusses their properties and how they vary based on periods, explains the reactions common to the metals and the uses for these elements.

Concepts

the periodic table, alkali metals, alkalies, properties of matter, elements

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Additional Tags

science

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Instructional Ideas

• Demonstrate the reactions performed in the experiment
• Review the difference between alkali metals and alkaline metals

Classroom Considerations

• Assumes prior knowledge of the patterns in groups as they go through periods

Pros

• Uses simple graphics to show the chemical reactions that define the group
• Video's short length helps maintain learners' attention

Cons

• None

Common Core

RST.9-10.4 RST.11-12.4