How can you see water molecules moving?
Wednesday, March 25, Science Fair Experiments When I signed books at the King's English in Salt Lake City, parents from a homeschool group told me that they had a science fair coming up, and that their children were excited to try candy experiments for it.
Their excitement reminded me that, since it's science fair time, lots of families are looking for science fair ideas. Here are some ideas for elementary school candy experiment science projects based on experiments from my website and from my new book.
Enjoy, and let me know if you have ideas of your own--with 70 candy experiments in my new book, the possibilities are endless! For each experiment, think of a question to answer, then do your own research to see what answers you get. Remember to control the variables in your experiment: Some project guidelines might ask you to form a hypothesis at the beginning of your project, meaning a prediction as to how it will turn out.
Life Savers flash when you crush them because they contain sugar and wintergreen oil. Can you find other candies that make flashes of light?
Which work the best? OR What crushing method makes the best sparks for the Life Savers experiment? Chewing, crushing with pliers, smashing in a mortar and pestle, or something else? The Incredible Growing Gummi Worm Gummi candies that contains gelatin, such as gummi worms or most fruit snacks, swell up and absorb water.
Which kind of gummi candy absorbs the most water? If you try this one, weigh each test piece of candy before you put it in water, then weigh it again after it has swelled to maximum size, about 2 days later.
Invite your at-home scientist to investigate which kind of candy makes the best soda fountain and why.
First, examine each kind of candy and compare differences. Then drop each sample into a cup of Diet Coke and compare the bubbles. Children should soon be able to see that the surface of the candy makes a big difference in the amount of bubbles you get.
OR Test different kinds of soda to see which works best for the experiment. Have your children formulate a hypothesis about which soda will fountain the highest, then drop the same number of Mentos in each to test the hypothesis.
Which sodas work the best? What ingredients do they have in common? Acid Test Sour candy contains acid. Which kind of candy is the most acidic? Make sure that you use the same method testing for all the candies: Ph test strips would be a more accurate way to measure the acidity.
To see how two dentists tested candy acidity, check out this article from the UAB School of Dentistry. Color Separation Chromatography Candy colors are formed by a mixture of dyes. So are the colors in many other things, including ballpoint pens and markers.
Which kind of candy has the most dyes mixed together?The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others? Winning Science Fair Project Ideas from Raising Sparks. Easy and fun kids science experiments that will blow your socks off!
This page is a collection of links for children, teachers, and parents. Science topics are based on the curriculum for Kindergarten through grade five, although many pages will be of interest to older students.
Behavioral & Social Science. A study of territoriality in mice; A study of the cleaning habits of mice; Observation of conditioned responses in different animals.
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