Sand, no matter how you use it, is pretty much the same just about anywhere you go. But why does sand almost always look the same? Much of the world's sand is made up of the same materials--tiny crystals of mineral quartz, which is made out of silicon and oxygen, the two most common elements in Earth's crust. Watch here as you learn about the process of how sand is made and why it is the same all over the earth. [1:00]

Concepts

oxygen, sand, silicon

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Additional Tags

mineral quartz, why is all sand the same?

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Classroom Considerations

• Knovation Readability Score: 1 (1 low difficulty, 5 high difficulty)

• This video is hosted on YouTube