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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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Sour and Bitter: Acids and Bases
Tenth graders distinguish between acids and bases. In this pH lesson, 10th graders view a PowerPoint and discuss the characteristics of an acid and a base. They investigate natural substances to determine the pH level of each.
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Water
Students conduct a series of investigations on the unique properties of water. In this general science lesson, students explain what causes water's surface tension. They explain the different stages in the water cycle.
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Bubble and Boyle
Middle-schoolers still enjoy playing with bubbles! In this series of eight laboratory activities, science learners explore convex and concave surfaces, angles, gas laws, buoyancy, density and more!
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Testing Water for Hardness Using Soap Bubbles K-12 Experiments & Background Information
Students examine water and what causes it to become hard. In this water lesson students use the soap test and determine the mineral content and hardness of a sample of water.
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Electrostatics
Students explore charges using balloons and soap bubbles. In this chemistry lesson, students analyze the Van de Graaf generator to see how charges flow using charged particles, static electricity and lighting. This assignment requires...
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Making soap you can use
Those textbook experiments are no good. Using this simple method you can make a real bar of soap. It's
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DNA Extraction with Kitchen Chemistry
Students extract DNA from green peas. In this DNA extraction lesson plan, students use a blender to chop up peas, they mix them with a little soap, they tenderize them and they mix them with alcohol to see the DNA precipitate through the...
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Tie Dye
Students practice writing research proposals to test the color fastness of a dye once it has been exposed to a t-shirt. Each proposal needs details of experimental design, length of treatment, and means of cleaning the shirt. All...
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Playing With Polymers
Learners explore the world of polymers. In this chemistry lesson, students make polymers and observe their properties. Follow-up questions and extension activities are included.
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Emulsions
Students identify the characteristics and composition of emulsions. In this chemistry lesson, students classify household products according to emulsion type. They explain how to make the best emulsion.
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Indicator Sponge A Discrepant Event Demonstration
Students explore the use of acid and base pH indicators. The teacher saturates an indicator sponge with congo red solution. Afterwards, the sponge is placed in a blue base solution. Students observe that the blue sponge actually turns...
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Making "Cents" of Surface Tension
Students explore the unique behaviors of water. They investigate surface tension using water drops on a penny and pennies dropped in a cup.
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An Introduction to Acids and Bases
Young scholars explore acids and bases. In this lesson about acids and bases, students do an experiment to test certain items to determine what they are. Young scholars use cabbage and litmus paper as indicators. Students understand how...
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Diffusion of Molecules
Students study the process for diffusion of molecules. In this chemistry instructional activity, students understand molecular movement, develop skills for a chemistry investigation, develop skills in making hypotheses, develop...
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Chemistry: Mini-Volcanoes
Students observe an experiment using common household chemicals to simulate a volcanic eruption. In small cups, they follow the teacher's instructions to make their own volcanoes. After watching a Brain-pop video, students complete...
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Water Hardness- Causes and Testing
Eighth graders examine what materials cause water hardness and the relative measure of water hardness in a two part lab activity. In part one, 8th graders add an assigned soap test solution to eleven different test tube solutions in...
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Silica Tetrahedron Model
Very simply, pairs of learners construct a model of the tetrahedral silica structure using raisins and toothpicks. They dip it into a soapy solution and then blow a bubble "atom" into its center. The lesson plan gives instructions that...
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WS 8.9 Presentation Questions
In this mixtures worksheet, students answer twenty three questions about student presentations on topics such as amalgams, homogenized milk, antifreeze and coolants, soaps and detergents and water softeners.
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Why is My Honey Runny?
Students identify the factors that affect viscosity of substances. In this chemistry instructional activity, students define what viscosity is in their own words. They give real world applications of viscosity.
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Diffusion Of Molecules
Students investigate molecular movement while studying how to perform a chemistry investigation.
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pH of Household Products
Tenth graders are provided with a piece of paper such as index, art, construction, or computer coating it with a universal indicator. They use cotton swabs HCl and NaOH to draw a picture repeating the same process using lemon juice and...
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ENGINEERING TOOTHPASTE
Young scholars make a class list of household products and discuss how many of these products are made through chemistry. They guess the ingredients in the products and imagine how toothpaste might be made. They make toothpaste.
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Mole Relations
Tenth graders investigate the mole using raisins, sunflower seeds and M&Ms candy. In this mole relations lesson plan, 10th graders create trail mix packets using the food items given to them using "dozen" as the units. Students write...