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Ammonium Nitrate - Is it worth the Risk?
Students consider that ammonium nitrate is used as a fertilizer and an explosive. They study the chemistry of ammonium nitrate and consider the advantages and disadvantages of this compound. The dual nature of Ammonium Nitrate was...
Curated OER
Teaching Avogadro's Number
High schoolers design an experiment to determine Avogadro's number. Students utilize an ammeter, an electrolytic cell and internet research.
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The Connection Between Pigment and Light Colors
Students explain the mole concept and use this concept to prepare chemical solutions of particular molarities.
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Units in Thermochemical Calculations
High schoolers study how to complete thermochemical equations. In this equation lesson plan students learn how to manipulate equations to calculate energy changes and reactions.
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The Enthalpy of Chemical Change
In this chemical change instructional activity, students review enthalpy and use Hess's law to calculate enthalpy and the heat of reaction for given reactions. This instructional activity has 3 problems to solve.
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First Ionisation Energies in Group II and Period 3
For this ionisation worksheet, students complete 2 graphic organizers by filling in the proton number for given elements. Then students create 2 graphs plotting first ionisation energy against the proton number.
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Owl Pellet Bone Chart
For this biology worksheet, students identify and label the various bones of a rodent, shrew, mole, and a bird. There are a total of eight bones for each to name on the sheet.
Curated OER
Ammonium Nitrate - Heat of Solution
Students quantify the relationship between temperature, energy and heat
and define an endothermic reaction. They measure the energy change caused by dissolving one mole of ammonium nitrate in water.