Curated OER
Endothermic and Exothermic Lab
In this endothermic and exothermic reactions worksheet, high schoolers experiment with water and a salt of choice to determine if heat is absorbed or released in the reaction. Students take the temperature of their solution over a 2...
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Diffusion of Molecules
Learners conduct a series of experiments to observe factors that impact molecular movement. In this molecular chemistry instructional activity, students drop food coloring in water with different properties (hot, with ice, with alcohol)...
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Polymers-Greaaaaaat Biiiiiig Molecuuuuuules
Students explore polymer properties. In this lesson about polymers, students perform an experiment to understand polymers, their properties, and that they are formed from small molecules. Students role play pretending they are polymer...
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Creating Coacervates
Students create and observe coacervates. In this origin of life lesson, students create coacervates by mixing carbohydrate and protein solutions. They observe the life-like qualities of the structures and discuss the origin of life.
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Teaching about the Effect of pH on Aquatic Organisms
Students perform experiments to determine the PH, acidity, and buffering qualities of a lake that make them sensitive to acid deposition.
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Rock Hounds
Students receive a basis for understanding the three main classifications of rock: igneous, sedimentary and metamorphic. They engage in a hands-on activity designed to give them an appreciation for rocks and minerals.
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Chemical Compounds
In this chemistry worksheet, learners identify 3 different chemical compounds, 3 identify biochemical products, 4 identify terms, and 2 identify atomic symbols.
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Gas Transport
In this biology worksheet, students examine the transport of gases in the circulatory system and how they bond to hemoglobin.
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Sedimentary Rocks
In this sedimentary rock worksheet, students answer 9 fill-in-the-blank questions and 8 matching questions regarding sedimentary rocks and their formation.
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Solutions
In this solutions learning exercise, students solve twelve problems including calculating products made in reactions, determining limiting reagents, calculating molarity of solutions, determining percent composition, and finding volumes...
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Solubility Equilibria
In this solubility equilibria worksheet, students solve five problems. They calculate concentrations of ions at equilibrium, they determine the effects of adding compounds to a saturated solution and they determine if compounds are more...
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Solutions, Suspensions, & Colloids Lab
In this solutions, suspension and colloid instructional activity, students complete a lab experiment in order to determine if a given mixture is a solution, suspension or colloid. They are given six vials and they record their...
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Photosynthesis Explored
Students observe the production of gas as an effect of photosynthesis. In this biology instructional activity, students perform an experiment with pondweed and make measurements and predictions about photosynthesis and the plant.
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Everything about Equations
In this chemical reactions worksheet, students are given fifteen unbalanced equations and they must identify the reaction types, the phases of the products, the signs that a chemical change occurred and the sum of the coefficients of the...
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The Ins and Outs of Equilibrium
In this equilibrium worksheet, students read about phase equilibrium and dynamic equilibrium. They answer nine questions based on their reading and their background in chemistry.
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Are All Equilibria Created Equal
In this equilibrium worksheet, students read about the factors that effect equilibrium in solutions such as the pressure of the solution, the temperature and the concentration of the solution. They answer three multi-part questions about...
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Review Sheet for Covalent Compound Quiz
In this covalent compounds worksheet, students name 6 compounds given their chemical formulas, they write the formulas for 6 compounds given their chemical names and they answer questions about boiling points and solubility. They write...
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Solutions
In this solutions worksheet, high schoolers answer 18 questions about solutions, saturation of solutions, solvents and solubility.
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Rock Formation
Students investigate rock formation through cementation, compaction and evaporation. In this rock formation lesson plan, students simulate the process of evaporation, cementation and compaction in the lab. Students explain the formation...
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Growing Crystals from Solutions
Students grow crystals in the lab using solutions. In this crystals lesson plan, students set up a crystal growing apparatus using a sugar solution with a thread attached to a piece of copper wire that is inserted in the solution....
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Solubility and Intermolecular Forces
In this solubility and intermolecular force instructional activity, students are given 26 clues about forces between molecules such as hydrogen bonds and London forces and about solubility of solutions.
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Acid Rain
Students investigate acid rain. In this environmental lesson, students participate in an experiment using litmus paper and various liquids and then test the acidity of the liquids. Students identify reasons why acid is harmful to the...
Creative Chemistry
Making Soap
In this soap instructional activity, students produce soap in the laboratory and test their product by using it to wash away engine oil. Students answer four questions about tests they perform on their soap.
Creative Chemistry
Volumetric Analysis 1 to Make a Standard Solution of Sodium Carbonate
In this volumetric analysis activity, learners follow the given directions to prepare a standard solution of sodium carbonate. They later use the prepared solution in a laboratory practical.