The average adult human body contains around 1 kg, or 2 pounds, of calcium. The 20th video in a series focusing on each of the 118 chemical elements discusses calcium. It describes the properties, forms, and many uses of the element. Then, it presents a few experiments and interesting historical notes to further engage viewers.

Concepts

calcium, chemical elements, the periodic table

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Additional Tags

science

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Instructional Ideas

• Go into more detail about how calcium strengthens bones or prevents them from deteriorating depending on age
• Share more photos of the white deposits known to certain regions

Classroom Considerations

• Relies on prior knowledge of basic biology

• This video is hosted on YouTube

Pros

• Provides closed captioning for the hearing impaired
• Connects biology, chemistry, history, and geography

Cons

• None

Common Core

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