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Rate of Solubility
Students investigate factors affecting the rate of solubility. In this rate of solubility lesson plan, students experiment by crushing, heating and cooling solutes and solvents to see how the solubility is affected. For each situation,...
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Ionic vs. Covalent Compounds Lab
In this ionic and covalent compound learning exercise, learners investigate the properties of three unknown substances in order to determine if they are ionic or covalent compounds. They write conclusions about their results.
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Chemistry Lab: Chemical Equilibrium
Students investigate the effects of adding or removing a reactant or a product on chemical equilibrium. In this equilibrium lesson plan, students add or remove ions to solutions to determine the effects on equilibrium. They make...
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It's a Gas!
Students investigate gases and their properties by completing 4 activities. In this gases lesson plan, students perform activities to show that gases take up space, they diffuse, and that odors and vibrations pass through gases. They...
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Redox Reactions
Students observe an oxidation-reduction reaction and write the overall equation and half reactions. In this oxidation-reduction lesson plan, students observe sodium metal, phenolpthalein and detergent placed in a petri dish. They write...
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Relationships: Pressure, Volume and Temperature
Tenth graders investigate the relationships of pressure and volume and pressure and temperature of gases. In this gases lesson plan, 10th graders use an inflated balloon to show the relationship between volume and temperature of the air...
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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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Exothermic and Endothermic Reactions
High schoolers observe demonstrations of exothermic and endothermic reactions and determine the changes that take place in a chemical reaction. Students observe four demonstrations showing entropy, attraction of molecules due to...
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Diffusion Through a Membrane
In this diffusion through a membrane worksheet, students fill in the blanks to complete 27 statements about cell membranes, the movement of molecules across the cell membrane, concentration gradients and diffusion.
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Gases, Pressure, and Volume
Students investigate the relationship between pressure and volume in gases. In this gases, pressure and volume lesson plan, students learn about the meaning of pressure. They observe different nail boards and are able to sit on the...
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Food Safety Lab
Students determine the optimal living conditions for yeast and apply these results to microbes in food. In this microbiology lab lesson plan, students observe the reaction of yeast to elevated temperatures. They relate these results to...
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Now you see it....Now you Don't
Students investigate the biodegrading process of packing peanuts. In this biological process lesson, students conduct an experiment to see how quickly packing peanuts biodegrade. Students check the process each day and record their results.
Creative Chemistry
Preparation of Triiodomethane (Iodoform)
For this preparation of triiodomethane learning exercise, students use propanone to prepare triiodomethane. Students use filtration and recrystallization to produce the product. They determine the melting point using a melting point...
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Changes All Around Us
Sixth graders, in groups, observe the difference between physical and chemical changes and create a collage of pictures to show the difference.
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Energy and Changes of State
Students complete a variety of labs to help them explain how energy affects the changes in states of matter. They also be required to collect and record data, graph data, and apply interpretations of that data.
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H2O2 Decomposition Lab II
Students conduct an oxidation experiment in which they must determine how much hydrogen peroxide (H2O2) is actually in a store-bought solution of H2O2.
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Safety Procedures Lab
In this safety procedures worksheet, learners answer questions about eye safety, broken glass safety, lab area safety, chemical safety, fire safety and chemical disposal safety.
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Paper Chromatography-Chemical and Mechanical
Students perform paper chromatography to determine pigments in plants. In this paper chromatography lesson plan, students isolate leaf pigments, prepare a chromatogram and place their chromatogram in a solvent to separate the pigments....
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The History of Creation
Students explore the properties of matter. In this lesson about matter, students will do a series of experiments to enable them to understand about creation of the universe. In these some of the experiments students will makes stars,...
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Chromatography
High schoolers use chromatography to separate substances in Kool-Aid, Crayola markers and leaves. In this chromatography lesson plan, students make chromatograms to separate substances in a mixture through absorption. High schoolers find...
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Esters: The Secret of Natural and Synthetic Fragrances
Students investigate esters, make an ester and detect esters in natural foods and plants. In this esters lesson plan, students detect smells of hidden objects, produce an ester using peas, brown sugar and apple and demonstrate how to...
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Crazy Chemistry Lesson Plan
Students study water molecules, cohesion and surface tension. In this molecule cohesion lesson plan students create chemical reactions that cause a balloon to inflate and another one that results in soap suds.
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DNA Extraction From Onion
Learners extract DNA from an onion using household equipment and supplies.
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Enzyme Lab
High schoolers investigate the enzyme catalase. In this enzyme lesson plan, students observe a normal catalase reaction, they observe liver tissue, potato, chicken and apple for the enzyme catalase and they study the effects of...