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Fun Science Fair Projects for Kids

Salt Crystals Science Fair Project for KidsSalt Crystals Project

Have fun growing your own salt crystals with this simple project. You can do further research with a microscope once you’re finished.

Crystals are beautiful to look at and you might even want to start your own collection.

 
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Grow Your Own Salt Crystals

What you'll need:

  • A jar
  • Water
  • About half a cup of salt
  • A spoon for stirring
  • String
  • Scissors
  • 2 toothpicks

 

Instructions:

  1. Fill the jar with water.
  2. Add about half a cup of salt to the water.
  3. Mix the solution together with a spoon.
  4. Cut a piece of string with scissors and tie each end to a toothpick.
  5. Place the string over the top of the jar so that the string dangles into the middle of the solution and the toothpicks hang over the edge.
  6. Don’t forget to clean up when you’ve finished.

 

What next?

Leave the experiment and wait for salt crystals to form along the string. They are an excellent example of cubic crystals and you can do further research with them by examining them under a microscope.

When you look at various crystals under a microscope you can examine the differences between them: Are they perfectly formed? What shape are they? What color? Can you see any microorganisms on the crystals?

Crystals can be found grouped together as lots of small crystals or as huge individual crystals. They vary in size from those at the microscopic level all they way up to crystals that are meters in length!

Try collecting a range of crystals for your project, label the different types and make a rock collection box to keep them in.

 

 

Grow your own salt crystals

 

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