What The Heck Is Sand?

What The Heck Is Sand?

Key Facts In This Video

  • 1

    Sand mostly consists of broken-down rocks. (0:10)

  • 2

    A rock particle has to be a minimum of .05 mm to be considered sand. (0:27)

  • 3

    Hawaii's white beaches owe their appearance to parrotfish poop. (0:43)

See all



Human Biology


Get smarter every day! Like us on Facebook.
You'll get the most interesting and engaging topics in your feed, straight from our team of experts.