Curated OER
Chemicals, Chemicals, Everywhere
Students divide substances into categories: made of chemicals/not made of chemicals, synthetic/naturally occurring, and toxic/nontoxic. They observe a mystery chemical and determine what precautions they need to take when handling an...
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Size and Shape
Students observe different substances under the microscope. In this space science lesson plan, students identify the different features of SEM images. They formulate a conclusion about the images of Mars meteorites.
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Laboratory: Hydrated Salts
In this hydrated salt worksheet, learners answer questions after completing a lab experiment using a hydrated salt. The calculate the empirical formula for the hydrate, they name the hydrate and they determine the mass of the water in...
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Investigating Factors That Affect Rate of Enzyme Action
Students explore the properties of enzymes. In this chemical reaction lesson, students explore enzymes through a Web-quest and investigative study. Students will collect and summarize data and create a class presentation. This lesson is...
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Plankton / Phytoplankton
Students discuss the importance of plankton in the ocean ecosystem. For this biology lesson, students identify the different types plankton by observing them under the microscope. They explain how plankton population affect global climate.
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Dietary Supplements and the Chemistry of Life
Students study the effects of dietary supplements on bodily functions. In this health lesson students calculate their caloric needs and research dietary supplements.
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What Is Chemistry, Anyway?
Students differentiate physical and chemical change. In this chemistry lesson, students list examples of those changes. They apply what they learned in a Jeopardy style team game.
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Science: What Is the Carbon Cycle?
Students examine the carbon cycle while identifying its sources, sinks, and release agents. Using magazines and newspapers, groups of students design collages illustrating the carbon cycle. Finally, they write responses to several...
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Identifying Food Nutrients
Young scholars pretend they are a food-quality tester. They develop a kit to test food for sugars, starches, proteins and lipids. They answer questions to complete the lesson.
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EGG-cellent POLYMER PACKAGING DESIGN
Learners investigate the concept of a polymer using an experimental design of protecting an egg in a bookbag. They test the properties of polymers and form an educated solution to the proposed problem. Then they describe the steps used...
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Melting Ice
Students observe the melting of ice and explore the basic physical changes that occur. They gain information of how different substances change the rate of melting. Students discuss the properties of water and ice, the definition of...
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Recognizing and Describing Chemical Changes
Seventh graders distinguish between physical and chemical changes in both natural and technological settings. They identify the reactants and products for a given chemical reaction. they then write simple chemical equations given the...
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DNA Extraction
Students are able to extract and observe a visible amount of DNA from Escherichia coli cells. They discuss the properties of DNA. Students confirm the presence of DNA by a reaction with an indicator.
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Playing With Polymers
Students explore the world of polymers. For this chemistry lesson, students make polymers and observe their properties. Follow-up questions and extension activities are included.
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Kernel Power" Ethanol Fuel from Corn
Students study why corn is a biodegradable, renewable resource. For this ethanol lesson students build models and observe a chemical reaction.
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Electrolysis of Water
Ninth graders examine the electrolysis of water by completing an experiment. In this water lesson students will explain how hydrogen can be extracted from water and how energy flows through an electrolysis system.
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Nanofibers on Your Clothes
Learners relate the presence of nanofibers in clothing to its ability to repel stains. They observe and contrast the characteristics of nanofiber, Scotchguard treated, and regular fabric then test the stain resistance of each fabric...
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Photosynthesis and Cellular Respiration
In this energy worksheet, students review the processes that create energy for a cell: photosynthesis and cellular respiration. This worksheet has 11 fill in the blank and 14 short answer questions.
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Ozone Pollution: Smog Alert
Students examine factors the create smog. In this pollution instructional activity students complete an activity about ozone.
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Stoichiometry
Students research chemical formulas and balance chemical equations. In this chemical equations lesson students complete a class activity on chemical equations and answer questions.
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Through Thick or Thin!!!
Students differentiate between high and low viscosity. Students collect, graph, and interpret data, then quantitatively measure polymer solids. Students experiment with a household example of an emulsion polymer.
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Evaporation and Condensation
Students explore how temperature affects the processes of evaporation and condensation.
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The Water Cycle and Global Warming
Students study the flow of water in the environment. In this water cycle lesson students evaluate the consequences of changes in the water cycle using data.
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Oxygen
Students explore oxygen and its physical and chemical propeties. In this investigative activity students complete several experiments using oxygen.
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