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Students can analyze data obtained from testing different materials to determine which materials have the properties that are best suited for an intended purpose.
Students can use Chemical Heat Packs to make observations and measurements to identify materials based on their properties.
Students can use Chemical Heat Packs to conduct an investigation to determine whether the mixing of two or more substances results in new substances.
Students can analyze and interpret data on the properties of substances before and after the substances interact to determine if a chemical reaction has occurred.
Students can use the Chemical Heat Packs to undertake a design project to construct, test, and modify a device that either releases or absorbs thermal energy by chemical process.
Students can use the Chemical Heat Packs to develop a model that predicts and describes changes in particle motion, temperature, and state of pure substance when thermal energy is added or removed.
A solution needs to be tested, and then modified based on the test results in order to improve it.
Students can use the Chemical Heat Packs to develop a model to illustrate that the release or absorption of energy from a chemical reaction system depends upon the changes in total bond energy.
Students can use the Chemical Heat Packs as evidence to provide an explanation about the effects of changing the temperature or concentration of the reacting particles on the rate at which the reaction occurs.
Students can use the Chemical Heat Packs to construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the Periodic Table and knowledge of the patterns of chemical properties.
Students will observe and communicate scientific information about why the molecular-level structure is important in the functioning of a material.
Students can conduct simple tests using the Chemical Heat Packs to see, feel and better understand the physical change. Advanced students can determine the heat of fusion of hydrated sodium acetate.
Students can use the Chemical Heat Packs to conduct an investigation to determine whether the mixing of two or more substances results in new substances. Bending the metal disk initiates the crystallization of the super-cooled sodium acetate and water; boiling the pack in water returns the solid to a liquid. This can be done over and over again.
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