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Endothermic or Exothermic That Is the Question
Students conduct an experiment to determine what happens to heat energy during a chemical reaction. They examine an endothermic reaction by observing a chemical reactions.
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Stoichiometry
Students discover stoichiometric relationships in chemical equations. They review mole to mole conversions. They understand mass/particle conversions. They perform a lab to reinforce stoichiometry.
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Sports Helmets and Impact Testing of Polymers
Students examine the importance of good quality safety gear. In this investigative lesson, students will tests various polymers, collect data, and analyze the data to determine which polymer is best for safety helmets. They will design a...
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Exercise and Heartrate
Fourth graders experiment to find the effects of exercise on the heart rate. In this exercise and heart rate lesson plan, 4th graders create questions about exercise and heart rate. Students use the scientific method to test and...
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Van de Graaff Generator
Students explore static electricity using the Van de Graaff generator. In this physics lesson, students construct their own Van de Graaff using simple materials. They explain how charges accumulate on this device.
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Mining Simulation
Eighth graders put their knowledge of rocks and minerals into perspective by seeing how minerals can be mined and the difficulties and costs of mining. They explore the environmental impacts of mining.
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pH Scale, acids and bases
Eighth graders define the pH scale, acids and bases. They distinguish between acidic and basic solutions using litmus paper. Students review simple chemical formulas. They define the subscript and coefficient in terms of chemical...
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Acid Rain
Young scholars perform experiments to determine how different acids cause acid rain. They measure the pH of the water to calculate the water's acidity. They discover how acid rain dissolves rock materials.
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A Comparison of Polymeric Liquids with Newtonian Liquids
Students concretely illustrate and define a macromolecule, observe the unique behavior of polymers and relate to their knowledge of molecules, and use the scientific process to determine the difference between Newtonian and non-Newtonian...
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Build Your Own Simple DC Motor
Students, after brainstorming how we interact with some kind of motor every day in our lives, explore how to build their own DC motor. They collect all the parts needed for their experiment and review all safety precautions. In addition,...
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Hypothermia: Temperature Changes Under Varying Conditions
Students conduct an experiment to determine what type of clothing would be most suitable for outdoor activities. They determine the temperature changes of the skin under various wet clothing materials and graph the temperature changes. ...
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Color and Light Spectrum Demonstrations
Students explore the light spectrum. The teacher uses holographic diffraction grafting film on an overhead to demonstrate the true nature of color. After observing a vivid rainbow, students recognize that white light is composed of all...
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Reflection of Light and Mirrors
Students address common misconceptions concerning reflection, light and mirrors. They investigate light reflection in mirrors and determine how light is transferred to the eye. In addition, they make predictions and then test them...
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RHS Campaign for School Indicator
Young scholars study Ph and how acids and bases can affect it. In this indicators lesson students divide into groups and complete a lab activity to investigate what happens when they add indicators.
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Experiment on Measuring Reaction Rates
Students investigate the rate of a chemical reaction. In this rate of reactions lesson plan, students use an electronic balance to measure the change in mass of a chemical reaction between hydrochloric acid and calcium carbonate. They...
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Sheep Heart Dissection
Fifth graders examine a sheep heart. In this biology activity, 5th graders dissect a sheep heart to identify the parts of a heart including the aorta, valve, septum, and ventricle.
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BJT Amplifier Troubleshooting
In this electrical circuit worksheet, learners answer a series of 11 open-ended questions about BJT amplifiers and how to troubleshoot these circuits. This worksheet is printable and the answers are revealed online.
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Huff, Puff, and Slide
In this experimental design learning exercise, students use a cup and coins to determine the distance they can blow a cup with varying amounts of coins. They analyze their results and design an experiment using the same materials.
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Comparing Ovaries And Testes
In this reproductive system worksheet, high schoolers compare specimens of rat ovaries and testes. They complete 5 short answer pre-lab questions, follow an 11 step procedure and answer 5 analysis questions.
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How Big is a Molecule?
Students calculate the size of a molecule. For this molecules and their sizes lesson plan, students find the size of an oleic acid molecule by using a measured amount of drops of oleic acid to find the volume of the sample, the thickness...
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Ice
Students examine the different propereties of ice, such as freezing temperature. In this scientific lesson students complete several activities using ice, like making ice cream.
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Electrical Circuits
Sixth graders make an electrical switch. In this electricity lesson, 6th graders will make an electrical switch, a series circuit, and a parallel circuit. They explain an open and closed circuit and give examples of series and...
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Change It
Fourth graders expand their knowledge about how the physical properties of a substances can be changed. They are given multiple opportunities, using first-hand experiences and familiar objects in different contexts, to identify...
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Observing Decomposition
In this science instructional activity, high schoolers focus upon the concept of decomposition and collect data in order to make interpretations or observations.