Sta-Flo Starch is a concentrated liquid starch that claims to leave clothes looking like new and helps make ironing easier. It is sold in the cleaning aisle of most grocery stores and is a useful ingredient in kids' science activities. Whether for a school science project or just something to entertain kids with during the holidays, there are a variety of science activities you can do with Sta-Flo Starch.
Silly Putty is also known as flubber, gak or starch putty. To create your own Silly Putty, pour 2 cups of white glue and 1 cup of Sta-Flo Starch into a mixing bowl. Knead the two ingredients together and add a few drops of your preferred food coloring to dye the putty. The mixture should turn into a putty that is part liquid and part solid and will change consistency as it is manipulated. This is a useful activity to illustrate how a substance can be both a solid and liquid at the same time.
Molding clay is used in many different science activities to create 3-D figures and objects. To make your own molding clay, combine 1/2 cup of white glue with a few drops of food coloring in a mixing bowl. In a separate bowl, add 2 cups of rock salt and 1/2 cup of Sta-Flo Starch. Mix the salt and starch together and then add this to the glue mixture. Knead all of the ingredients together to create your own colored molding clay.
Paper mache is probably more commonly associated with art activities than science ones, but making paper mache is a useful way to teach students the properties of starch and why it is used in the laundry. To make paper mache, add one part Sta-Flo Starch to one part water. Cut multiple strips of newspaper and then dip these strips into the mixture. Layer the wet newspaper into shapes and models and let them harden into sculptures.
To teach students about chemical reactions, have them combine dissolved Vitamin C, tincture of iodine and water with a mixture of hydrogen peroxide, water and Sta-Flo Starch. When all of these ingredients are mixed together, the colorless solutions will turn dark blue. This is the result of a chemical reaction as the iodine reacts with the starch to produce the blue color. This experiment is sometimes conducted in labs to test for starch in unknown samples.
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