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Sorting Sand Grains by Grain Size

Grade Level: 6-8

Lesson Time: 1-2 hours

Materials Required:

  • Gram balance
  • Small paint brush
  • Plain white paper
  • Graph paper
  • Samples of dry beach sand
  • Sand sieve set (several sieves with a range in grain size from less than 0.1 mm to greater than 4 mm in diameter

From the size and shape of its grains to its composition, sand has a story to tell. Analyzing a sample of sand can reveal how ti was transported, the source of its journey, and the type of environment and climate from which it came. Uncovering the story in a sample of sand is a science lesson that incorporates all the disciplines in science.

Activity download: activity_sandgrain

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