Curated OER
Explore Your Natural Habitat
Students identify habitats and understand why they are important to our environment. For this environmental lesson students design their own habitat, observe and record data on the impact their habitat has on the environment.
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The Sun as the Driving Force of the Water Cycle
Students study the water cycle and how the sun is an important factor. In this water cycle lesson students investigate how to desalinate water and explore the different densities of fresh versus saltwater.
Curated OER
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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Seed Germination on Gelatin
Students examine how seeds germinate in a culture. In this germination lesson students germinate seeds in gelatin and observe the growth of the plant.
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Thin Layer Chromatography (TLC) Separation of Plant Pigments - Chlorophyll, Carotene
Learners use TLC separations to identify various substances. In this chlorophyll lesson students separate pigments found in different plants.
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Thin Layer Chromatography (TLC)
Students study flavinoids and how they exist in the plant kingdom. In this pigment lesson students complete a lab activity to see how flavinoids move in substances then record their observations.
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Paper Chromatography K-12 Experiment
Young scholars study chromatography and how they can distinguish between the different pigments in a color. For this chromatography lesson students separate a mixture of dyes in soluble ink then record the colors they see.
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Density
Students determine the density of different substances. For this physical science lesson, students rank them according to their density. They discover the relationship between volume and density.
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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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Does Dye Die? Foreign Chemicals in Our Environment
Students conduct an experiment to observe photolysis in the lab. In this chemistry lesson, students explain the mechanism behind photolysis. They test the impact of a non-toxic marker to plant metabolism.
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A Very Simple Conductivity Meter
Students investigate the hardness of different water samples using the conductivity meter. For this chemistry lesson, students build their own meter following specific procedures. They identify an unknown sample of water.
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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. For this water lesson students use the soap test and determine the mineral content and hardness of a sample of water.
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Waves Interference
Students identify different wave types and their characteristics. In this wave lesson students complete activities by activating tuning forks and interpreting data.
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It's Just Right
Students conduct an experiment to determine the temperature tolerance of yeasts. In this biology lesson, students collect data and compare them by plotting graphs. They explain how extreme temperatures affect organisms.
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What's Stronger? What's Stiffer?
Students measure the length, width and height of different materials. In this design lesson students complete a lab to see what engineers need to consider when planning a structure.
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The Wonders of Bacteria
Young scholars explore the evolution and features of bacteria through a series of activities. In this biology lesson plan, students collect data and graph bacterial growth. They design a brochure about bacteria's role in society.
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