Where Does Sand Come From?

Sand is made from tiny grains of rocks and minerals. It can also be tiny particles of the shells of sea creatures. Some sand comes from the calcium (a mineral) in seaweed. Sand can be different colors. That's because shells, rocks, and minerals are different colors. Sand on beaches can be black, white, brown, green, yellow, or even pink!


Sand is made when rocks or shells break into tiny pieces. Over time, rock is broken down by water, wind, and ice. It takes thousands or millions of years to create sand. Wind, water (rain), ice, and even the process of freezing and thawing work on mountains. Pieces of rock break off the mountain. These pieces fall because of .....


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