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Color Change in Leaves
Learners identify the different leaf pigments and colors. In this biology activity, students perform chromatography to separate them. They explain how light affects green leaf colors and causes falling leaves in autumn.
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Photosynthesis
Students conduct a variety of experiments on photosynthesis. In this biology lesson, students identify the factors required for the process to occur. They perform computerized experiments to test the amount of oxygen produced when plants...
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Plant Hormones
Learners identify different plant hormones and explain their function in plant development. For this biology lesson, students investigate how IAA affect root growth. They study the history of auxin discovery.
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Seeds & Germination
Students study the types and parts of seeds and how they have evolved. In this germination lesson students complete experiments that show the effects of variables role in seed germination.
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Plant Transpiration
Students conduct various experiments to investigate plant transpiration. In this biology lesson, students explain how this process helps maintain the hydrologic cycle. They measure the rate of water loss in plants using a potometer.
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Tropism
Learners conduct various experiments on tropism. For this biology lesson, students explain how gravity affects the growth of plant roots. They identify the different types of tropisms.
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Enzymes in Action
Students explore how enzymes are important in the chemical reactions of all living things. In this enzymes and catalysts activity students complete an activity to see how enzymes change living things.
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Proteins
Students conduct a variety of experiments to explore protein. In this biology lesson, students solve a mystery by testing for the presence of glucose, protein starch and triglycerides. They explain how DNA transcription and translation...
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Build a Paper Plane
Students study the history of the paper plane. In this design lesson students create several types of paper planes and determine if there is a difference in mean flight distances.
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Chemiluminescence
Students explore chemiluminescence through various experiments. In this chemistry instructional activity, students explain the chemical reaction that drives the process. They give real life applications of chemiluminescence.
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Bioluminescence
Students differentiate chemiluminescence from bioluminescence. In this biology lesson, students explain how fireflies and other animals emit light. They discuss the applications of engineered bioluminescence.
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Earth's Magnetic Field and Magnetosphere
High schoolers investigate the magnitude of Earth's magnetic field using PASCO. In this physics lesson, students describe the features of the magnetosphere. They explain how atmosphere layers protect the Earth.
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Luminous Efficacy (Efficiency)
Young scholars examine the basics of luminous efficacy and why it is used. In this light source lesson students test energy efficiency and the luminous efficiency for babies.
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Daniell Cell
High schoolers explain how Daniell cells work. In this electrochemistry activity, students conduct a variety of experiments to explore the different types of cells. They create a model of Daniell cell.
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Lenz's Law
Students conduct a series of experiments on electromagnetic induction. In this physics lesson, students apply the right hand rule to determine the current direction and electromotive force. They test Lenz's and Faraday's law by observing...
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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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Galvanometers
Learners construct their own galvanometer. In this physics lesson, students explain how it is used to detect electric current. They conduct an experiment to measure how much electricity flows through the circuit.
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Resistor and Resistance
High schoolers explore electrical resistance through various experiments. For this physics lesson, students calculate resistance using a mathematical formula. They explain how colors identify the resistance value of a resistor.
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Thermoelectricity
Young scholars conduct a series of experiments on thermoelectricity. For this physics lesson, students investigate how thermocouple works. They determine the voltage generated when different conductive materials are held at different...
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Tornado
Students study the classification system of tornadoes. In this tornado lesson students make their own tornadoes in different mediums.
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Venus Flytrap
Young scholars study the Venus Flytrap including its habitat and how it eats. In this ecology lesson students complete several experiments using a Venus Flytrap to see how it reacts to various conditions.
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Paper Chromatography K-12 Experiment
Students study chromatography and how they can distinguish between the different pigments in a color. In this chromatography lesson students separate a mixture of dyes in soluble ink then record the colors they see.
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Rock-A-Bye Pendulum
Third graders analyze the effects of force on an object in motion and its relationship to a change in speed. This lesson uses a pendulum to demonstrate the principle.
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Auxin: Indole-3-Acetic Acid
Students identify auxins from their structural formulas. They understand the process of refluxing in chemical synthesis. Students perform thin layer chromatography using silica gel plates to differentiate chemical substances.
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