Mini Science Fair Project Ideas

Science fair projects are an exciting way to learn about a subject while still having fun. Miniature science fair projects are less involved than regular science fair projects, and may have fewer requirements than normal science fair submissions. Before working on any project, seek approval from your sponsor or teacher.

  1. Taste Test

    • Why do some things taste better than others? Conduct a science fair project about taste testings, and research why some people tend to like some things more than others.

      Common taste tests compare two similar products such as Coke and Pepsi; however, many common food items can be compared in a taste test, such as peanut butter, water, salsa, cheese or crackers. You may wish to compare name brands to store brands, or compare two major competitors.

      Take into consideration the preferences of your taste testers. Have them fill out a brief questionnaire stating their preferred tastes of salt or sweetness. This data may aid you in determining why samplers selected certain choices.


    • Conduct research on magnets to determine the types of metals that are magnetic, and which are more magnetic than others. Determine the strength of a magnet by lowering the magnet into a bowl of paperclips and counting the number of paperclips that are attracted to the magnet.

      Subject the magnet to extreme temperatures, such as freezing cold and boiling water, and re-test by lowering it into the bowl of paperclips. Handle the heated or cool magnets with care.

    Temperature of Boiling Water

    • Ever wondered why cooking instructions direct you to add salt to the water at the beginning of the recipe? Conduct an experiment to see how salt affects the temperature of boiling water. For this experiment you will need a large pot, water, thermometer, spoon, salt and measuring cups and spoons.

      Place one pint of water into a pot, and heat to boiling. Record the temperature of the boiling water; at sea-level water boils at about 212 degrees F. Add one level teaspoon of salt, and stir. Record the temperature when the water boils again. Add another level of teaspoon of salt, and stir again. Continue the experiment until the water does not rise in temperature. Research why salt affects heating water, and how salt may affect water in other ways.

    Moldy Bread

    • Determine the types of conditions that may contribute to accelerated mold growth. Expose bread slices to different conditions such as light and dark, and wet and dry, and note the differences in how much mold grows on the bread, and the speed at which it grows. Take frequent pictures for accurate record keeping. Keep in mind that many people are allergic to molds. Never breathe in the mold spores, and dispose of the bread in a closed container.

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