How to Make Sea Salt Crystals for Science Project

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Sea salt is harvested from sea water, and can often be found naturally growing in larger clusters or clumps. Kids can grow their own salt crystal clumps using a few kitchen materials.

Things You'll Need

  • Glass jar
  • Sea salt
  • Distilled water
  • Spoon
  • Twine
  • Scissors
  • Pencil
  • Place a glass jar onto a flat surface. Pour 2 cups of sea salt into the jar. You can find sea salt at any grocery store or supermarket.

  • Pour 3 cups of water into the jar, and stir the mixture with a spoon to help the sea salt dissolve.

  • Cut a piece of twine that measures the length of the glass jar, and tie the twine onto an unsharpened pencil.

  • Place the end of the twine into the salty water, and rest the pencil across the open top of the jar. The twine should be hanging in the water.

  • Place the glass jar into a sunny location, and leave it undisturbed for 3 days. The water will evaporate from the jar, leaving large crystals of sea salt attached to the twine.

References

  • Photo Credit Jupiterimages/Photos.com/Getty Images
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