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Chemistry: pH Probe
Students conduct a pH probe of various household products including both bases and acids. In groups, they use litmus paper to test such liquids as amonia, vinegar, and detergent to discover which are acids and which are bases. Finally,...
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Osmosis
Second graders discover the process of osmosis. In this science lesson plan, 2nd graders learn how different kinds of solutions move through selectively permeable membranes, understand the role of osmosis in the movement of molecules,...
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Taste Buds
Students sample several sweet, sour, bitter and salty foods. They determine what part of their tongue tasted each flavor.
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Activity #5 Environmental Effects
Students explain the implications of particle theory of The Law of Conservation of Matter for problems of pollution and waste disposal. They describe, in terms of atoms and molecules, what happens to materials when they are dissolved or...
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What are Some Substances That Will Cause Algae To Grow?
Students discover algae. For this science lesson plan, students examine what green algae is and where it grows. Students determine the effects of oil, detergent, copper crystals sulfate and lawn fertilizer have on the growth of algae.
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Kernel Power" Ethanol Fuel from Corn
Learners study why corn is a biodegradable, renewable resource. In this ethanol lesson students build models and observe a chemical reaction.
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Electric Field Mapping in 3D
Students create a 3D vector field map of an electric field. In this physics activity, students measure the voltage inside an aquarium with water. They present their findings and map to class..
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Exploring With Photograms
Young scholars observe the interaction between energy absorbed, reflected or transmitted through an object in a photochemical process with a classroom demonstration.
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How Can You Prevent Spoilage?
Students complete laboratory activity to discover what temperature is most effective in prohibiting bacterial growth in two percent milk. Students then write lab report detailing findings.
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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.
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Introduction to Gas Chromatography
Students analyze gas chromatograms and suggest various applications for gas chromatography.
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Acid Rain
High schoolers investigate the quality of water using a variety of methods. They use a pH probe to measure the pH and study the effect of dissolved CO2 in the water. Students also observe the effect of the pH upon the dissolving of H2SO4...
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Isolation of Synthetic Chemicals from Plant Leaves
Students isolate and identify a dye, which represents a synthetic pesticide, from plants.
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What Effects Do Trees Have On The Environment?
Students examine the interrelationship between trees, soil and people focusing on urban areas. They collect and analyze data about trees in their research area.
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How Soft or Hard is Your Water?
Learners test samples of water to determine how a chemical water softener affects water's ability to form suds. After collecting their data and analyzing their results, students answer follow-up questions about their lab.
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Determination of the percentage of Acetic Acid in Vinegar
Students determine the concentration of acetic acid when the concentration of the base with which is titrated is known. They investigate how to weigh a sample using the balance, measure volumes using graduated cylinder, explore the...
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Electroplating for Corrosion Protection: Redox in Action
Students define what a redox reaction is. In this chemistry activity, students electroplate some wires in the lab. They research the application of electroplating in the real world.