Have you wondered why sand is on the shore of the beach and in the desert, while other types of soil are found elsewhere? How is sand created and is it always the same color and texture?

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Click here and here for labs with kinetic sand. Click here to go to an investigation with hydrophobic sand.

Engineer with sand. Click here to view full screen.

Plant a variety of seeds in sand, instead of soil or plant the same kind of seed in clay, sand and loam soils. Keep all other variables the same. What do you think will happen? What does happen?

Color on sandpaper.