Curated OER
Density
Students determine the density of different substances. For this physical science lesson, students rank them according to their density. They discover the relationship between volume and density.
Curated OER
Acid, Base, or Salt?
In this acids and bases worksheet, high schoolers read about the differences between acids and bases and then complete a table comparing the characteristics of both. Then students determine if the given statements describe an acid, base,...
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Discovering Friction
Middle schoolers watch a demonstration that introduces them to the idea that friction is a force that impedes motion when two surfaces are in contact. They work in groups to experiment with frictional force using a coffee cup on which...
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Don't Wait, Just Propagate
Students explore the process of growing plants from seed. In this propagation lesson, students examine methods of propagation and determine how to rapidly propagate plant species. Students listen to a lecture informing them on the topic...
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Exponential and Logarithmic Equations
In this Algebra II/Pre-calculus worksheet, students solve logarithmic and exponential equations in problem solving situations. The three page worksheet contains eleven problems. Answers are not provided.
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A Comparison of Polymeric Liquids with Newtonian Liquids
Young scholars perform several tests on liquids. In this general science lesson, students compare the properties of polymeric and nonpolymeric liquids. They explain the composition and importance of macromolecules.
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Mussel Your Way Through Photosynthesis
Students, using zebra mussels (Dreissena polymorpha), elodea and an indicator dye, observe and record the role of light in photosynthesis. They consider plant production of carbon dioxide and the use of live materials in biological...
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Organs to Go...
Students explain the principles of experimental design and reinforce the steps of the scientific method. Each group of students create a "slush" type mixture to store a chicken liver.