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How to Make Sidewalk Chalk
Content Provider | WatchKnowLearn |
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Description | Get help from an adult! The video gives step by step directions on how to make sidewalk chalk using Plaster of Paris, water, and powdered tempera paint. The instructor also explains the science behind the craft. Most kids think of solids turning to liquids and liquids to solids because of a temperature change. In this experiment, a chemical reaction causes the mixture to change from a liquid to a solid. As the chemical reaction occurs it also gives off heat which is called an exothermic reaction. This instructor makes a "holiday gift" with her sidewalk chalk, but this activity could be done any time of the year. . |
Language | English |
Access Restriction | Open |
Rights License | Proprietary |
Subject Keyword | Chemical Equations and Reactions k-12 homeschool homeschooling home school parents educational videos k12 preK-12 Chemistry Language of Chemistry Science |
Content Type | Video |
Educational Role | Student Teacher |
Educational Use | Self Learning |
Time Required | PT4M26S |
Resource Type | Hands-on |
Subject | Chemical Reactions |