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Reed Switch
High schoolers build simple electromagnetic reed switch motors. In this physics lesson, students explain how it works. They cite real world applications of reed switches and relays.
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Auxin: Indole-3-Acetic Acid (AAA), A Hormone with Diverse Effects: Synthesis and Applications
Students synthesize Indole-3-Acetic acid from 3-indolylacetonitrile. In this biochemistry lesson, students determine the effect of different concentrations of IAA on lima beans. They explain how hormones help in plant development.
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Chlorophyll
Students explain the importance of chlorophyll in plants. In this biology lesson, students extract chlorophyll from different plant sources using chromatography. They discover the different factors needed for photosynthesis to take place.
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Color Change in Leaves
Students identify the different leaf pigments and colors. In this biology lesson, 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 activity, students identify the factors required for the process to occur. They perform computerized experiments to test the amount of oxygen produced when...
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Plant Hormones
Students identify different plant hormones and explain their function in plant development. In 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
Students conduct various experiments on tropism. In this biology lesson, students explain how gravity affects the growth of plant roots. They identify the different types of tropisms.
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Bioluminescence
Learners 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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Enzymes in Action
Students explore how enzymes are important in the chemical reactions of all living things. In this enzymes and catalysts lesson students complete an activity to see how enzymes change living things.
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Proteins
Young scholars conduct a variety of experiments to explore protein. In this biology activity, students solve a mystery by testing for the presence of glucose, protein starch and triglycerides. They explain how DNA transcription and...
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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 lesson, students explain the chemical reaction that drives the process. They give real life applications of chemiluminescence.
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Earth's Magnetic Field and Magnetosphere
Students 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)
Students 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
Students explain how Daniell cells work. For this electrochemistry lesson, 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
Students construct their own galvanometer. In this physics lesson plan, 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
Students explore electrical resistance through various experiments. In 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
Students 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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