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Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.

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Create a heat-pack using a chemical reaction and optimizing by increasing temperature and longevity

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Create a heat-pack using a chemical reaction and optimizing by increasing temperature and longevity

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dissolve calcium chloride in water? find ways to increase each aspect w this

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dissolve calcium chloride in water? find ways to increase each aspect w this

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find how the chemical reaction between H2O and CaCl2 will cause a change in temperature and how it relates to store-bought products

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- two store bought heat packs
- borrowed a weight measurer, thermometer, and plastic Ziplocs from Mrs Thomas

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decide what chemical reaction occurs and energy released

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decide what chemical reaction occurs and energy released