We All Scream for Ice Cream
Seventh graders see the difference between exothermic and endothermic chemical reactions. They make ice cream and use the scientific method to determine if the reaction is exothermic or endothermic.
7th Science 3 Views 16 Downloads
Using Chemical Change to Identify an Unknown
If you have taught the first instructional activity in this mini unit, learners already know that cabbage juice and vinegar cause chemical changes in some materials. Now, they get a chance to use them to compare the liquids' reactions to...
3rd - 8th Science
Physical and Chemical Reactions - Factors Which Affect Reaction Rate
A total of five experiments lead chemistry pros to understand the difference between physical and chemical change. They also experiment with exothermic reaction factors that affect rate of reaction. The procedures are not written in the...
7th - 12th Science
The Chemistry of Cold Packs
How can it take water hours to freeze, but a cold pack can go from room temperature to near freezing in an matter of moments? Find out with this short video that explores the endothermic reaction that make these modern marvels possible.
5 mins 7th - 12th Science CCSS: Adaptable