Salt & Sugar Science Fair Project Ideas

Using Materials You Actually Have

You can do a science fair project using an everyday material, like salt.
You can do a science fair project using an everyday material, like salt. USGS

Here are ideas for science fair projects you can do using salt or sugar:

  • You can make a density column by making solutions with different concentrations of sugar. How is the index of refraction affected by the concentration of sugar? Can you relate the angle by which light is bent to the concentration of the solution? Is the angle by which light is bent affected by the temperature of the solution?
  • Which material increases the conductivity of tap water best? salt, sugar, or baking soda? What happens if you change the concentration of the solution?
  • There are many types of salt available at most grocery stores, including table salt, rock salt, and sea salt. Other salts you can find include Epsom salts, potassium chloride (lite salt), and baking soda. Which type of salt works best for making ice cream in a baggie?
  • When you crush sugar crystals you can cause them to emit light. This is an example of triboluminescence. Examine triboluminescence of sugar crystals, Wint-o-Green Lifesavers™, and other candies. Which produces the brightest spark? Does the ability to produce light seem affected by other facts, such as humidity?

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    Helmenstine, Anne Marie, Ph.D. "Salt & Sugar Science Fair Project Ideas." ThoughtCo, Feb. 27, 2017, thoughtco.com/salt-and-sugar-science-fair-project-ideas-609050. Helmenstine, Anne Marie, Ph.D. (2017, February 27). Salt & Sugar Science Fair Project Ideas. Retrieved from https://www.thoughtco.com/salt-and-sugar-science-fair-project-ideas-609050 Helmenstine, Anne Marie, Ph.D. "Salt & Sugar Science Fair Project Ideas." ThoughtCo. https://www.thoughtco.com/salt-and-sugar-science-fair-project-ideas-609050 (accessed November 20, 2017).