Percent Increase and Decrease Quiz
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Dancing Raisins Basic Science Demonstration
This is a basic science demonstration using everyday household items. The raisins will bob up and down for several minutes. This “raisin dance” is captivating to watch. Since the surface of the raisins is rough, tiny bubbles of carbon dioxide gas are attracted to it. These bubbles increase the volume of the raisin substantially, but contribute very little to its mass. As a result, the overall density of the raisin is lowered, causing it to be carried upward by the more dense fluid surroundin
1st - 2nd
Chemistry, Science
Penny Cleaning Experiment
Use this simple experiment to introduce your students to Scientific Methods! Students will create their own problem statement and hypothesis and then test this hypothesis! Which method works the best and why? Editable doc format so you can customize depending upon what substances you wish to test and so teachers may step up or down for different grade levels!
1st - 8th
Basic Principles, Chemistry, Science
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