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Salinity
Learners define and discuss salinity, conduct classroom experiment to determine salinity of water sample by using hydrometer, record predictions, and demonstrate understanding of how salinity influences object's ability to float in water.
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Periodic Table
In this periodic table worksheet, students characterize elements according to their group in the periodic table. This worksheet has 26 matching and 13 multiple choice questions.
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Stoichiometry Problems - Limiting Reagents
In this stoichiometry worksheet, students determine the limiting reagent and mass of precipitate produced in given chemical reactions. This worksheet has 5 problems to solve.
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Chemistry - Naming and Formulas
In this compounds activity, learners name the given compounds from its chemical formulas and write the chemical formula from the compound name. This activity has
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Microscopes and Crystals
High schoolers observe crystals under the microscope. In this science lesson, students compare how the crystal look like using their eyes, hand lens and microscope. They identify the type of crystal based on the amount of light they...
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Mystery of the Eleven Unknown Substances
Fourth graders identify eleven white substances that are commonly found in the household. They, in pairs, perform experiments on a variety of substances, and must identify them based on the reactions they observe.
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Teaching about Conductivity
High schoolers explore conductivity and productivity in aquatic systems.
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Bonneville Salt Flats Ecosystem
Students discuss the annual ecosystem changes of the Bonneville Salt
Flats and the artificial changes made by man.They observe the annual ecosystem changes and the current additional flooding of the Bonneville Salt Flats by man.
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Ions and Ionic Compounds
In this ions learning exercise, students use a charge chart in a textbook to determine the charges of different types of compounds. This learning exercise has 24 fill in the blank questions.