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Students design and conduct an experiment to investigate what happens when salt and ice come together and to determine if one form of salt is better for melting ice on steps and sidewalks.
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Methane Hydrates – What's the Big Deal?
Have you ever tried to light ice on fire? With methane hydrate, you can do exactly that. The ice forms with methane inside so it looks like ice, but is able to burn. The lesson uses group research and a hands-on activity to help scholars...
9th - 12th Science CCSS: Adaptable
Does Hot Water Freeze Faster Than Cold Water?
Hot water freezing faster than cold water is called the Mpemba effect. The interesting video analyzes the concept of water temperature and its effect on freezing rates. The narrator explores past experiments showing this effect and...
3 mins 9th - 12th Science CCSS: Adaptable
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