CK-12 Foundation
It's Just a Phase
Explore the phases of water as temperature rises. Pupils consider the idea that temperature remains constant during each phase change. An interactive exercise allows your young scientists to observe the temperature and molecular...
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The Chemistry of Refining Crude Oil
Consider our energy sources: wood, coal, oil, uranium. Learners compare the pollution to energy produced for each. They practice fractional distillation of an alcohol/water mixture to simulate the process of refining crude oil....
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BioFuels: The Chemistry and Economics of Alternative Fuels
Junior chemists manufacture biodiesel in the lab. In this exercise, they check the purity of the biodiesel using thin layer chromatography. They also calculate its density and heat of combustion. They are sure to rise to the...
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Ice Cream Lab
I scream, you scream, we all scream for ice cream! Even high schoolers enjoy making ice cream. This laboratory exercise has them record the temperature changes throughout the process of liquid becoming solid, graph the results, and...
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Cool Liquids
Chemistry neophytes use a temperature probe to assess the change as five different liquids evaporate. The implantation section suggests that they take readings every five seconds for a total of four minutes. They graph the data, look up...
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Heating and Cooling Curves
High schoolers experiment with a pure substance and a phase change. In this heating and cooling curves lesson plan, students study the effects of heating and cooling a pure substance to observe a phase change. They determine both the...
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Edible Transformations
Learners differentiate the different phases of matter. For this chemistry lesson, students conduct several hands-on exercises to discover how matter transforms when mixed together. They identify the different stages in the water cycle.
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Stomach Chemistry
Fifth graders compare physical and chemical changes. They perform a simulation experiment/activity that replicates what happens in the stomach as food is digested by stomach acids.
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Chemquest: Physical Changes or Chemical Reactions
Students explore physical and chemical changes. For this chemistry lesson plan, students will go outside to observe changes seen in nature. Students will then work in the lab to identify changes at different stations prior to doing a...
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The Chemistry of Ice Cream
Students investigate the effects of temperature change on phase changes. They explore the effects of changes in freezing point and incorporate the law of conservation of energy. They utilize these concepts to make ice cream.
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Chemistry E3 Lesson Plan
Ninth graders perform a series of experiment to investigate heat transfer and phase changes. In this physical science instructional activity, 9th graders identify and calculate the different subatomic particles. They explain the...
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Glass Transition in a Rubber Ball
Learners illustrate the changes in the properties of a material at its glass transition point. They gather data which they use to construct graphs regarding elastic modules versus absorption modulus, tangent delta, and the effect of...
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Nothing New? A Physical Change
Fifth graders discuss the differences between chemical and physical changes. In groups, they complete experiments and discover how a physical chnage can be reversed. To end the lesson, they review the steps of the water cycle and...
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11 - The Heat Is On
Students observe physical change of melting by observing substance in original state, melting substance, allowing substance to return to original temperature, determining if substance retained its original properties, and recording results.
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The Same, But Different
Third graders examine the phase change between solids and liquids and determine it to be a physical change. Ice is the perfect item to use to demonstrate this phase change. Pupils experiment with measuring and weighing solid ice and the...
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Chemical and Physical Changes
Eighth graders investigate different gas behaviors. In this chemistry lesson, 8th graders describe how changing volume and temperature affect gas particles motion. They collect data and make a generalization about these variables'...
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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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Sometimes, solid + liquid = gas
Third graders experiment with common household liquids and solids. For this chemical reaction lesson, 3rd graders discuss phase changes and experiment to find other ways to create gases. They use water, vinegar, lemon juice, flour,...
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Melting and Freezing of Water
Students differentiate the three states of matter. In this chemistry lesson, students analyze graphs of heating and cooling curve of water. They complete a lab report and discuss results.
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Changes of State
Students examine molecules and the changes in energy of a system. In this energy systems lesson students complete a lab activity and describe changes of state.
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Fluid Thinking About Liquids and Solids
Second graders examine the physical characteristics of the different states of matter. In this chemistry lesson, 2nd graders observe how matter changes from one phase to another. They classify substances according to its type of matter.
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Science Lessons for Grade 7
Seventh graders construct a food chain based on pictures shown on the board. In this biology instructional activity, 7th graders describe the motion of particles as energy is changed. They explain how pH changes during neutralization.
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Heat and Thermodynamics
This is actually a 10-day mini unit on thermal energy for your high school chemists. Every avenue is taken to get learners absorbed in heat: a pretest, a PowerPoint presentation, Internet exploration, demonstrations, lab activities, and...
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Condensation Lab
High schoolers investigate condensation in the lab. In this chemistry lesson plan, students explain molecular motion during phase changes. They relate this observation to Earth's weather conditions.