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Determining Liquid Densities
Middle schoolers practice determining liquid densities in a short, hands-on lab activity. Students use a graduated cylinder to measure out 100 milliliters of a liquid, find its mass using a balance, and record measurements in a data...
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How is a REDOX Reaction Used to Power a Car?
Students explore electrolysis and Redox reactions. For this exploratory lesson students demonstrate an example of electrolysis and how it brings on a chemical change.
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The Energy Debate - Sea Level Rise
Students comprehend the impact of global warming on our coastal cities. They appreciate how geographic information systems can be used to represent scientific data. Students research the melting of the ice caps in Antarctica and the Arctic.
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The Energy Debate - Conclusion
Pupils write a persuasive essay about the choices in the energy debate. They comprehend the environmental consequences that accompany the decision. Students predict how they will power their future.
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Activity #8 Which State Are You In?
Middle schoolers define, give similarites and differences between solids, liquids, and gases. They compare and contrast a solid, liquid and gas in terms of shape, volume, compressibility, diffusion and density. Pupils classigy common...
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Teaching Students How to Read the Protein Concentration in a Sample
Students work together to identify proteins in different samples. They calculate the protein concentration in those samples as well. They complete discussion questions to end the lesson.
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Magic Genie
Learners observe the chemical change that occurs when sodium iodide is dropped into a flask containing 30% hydrogen peroxide. They discuss how this exothermic reaction occurred as they study the chemical equation involved in the reaction.
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What Changes Occur When Ice Melts?
Students explore the physical process of melting. They observe melting ice and answer questions related to energy transfer during phase changes.
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How Can We Determine the Concentration of an Unknown Solution?
High schoolers participate in experiments to help them determine the concentration of an unknown solution. They graph a standard curve and plotting the relationship between the concentration and the amount of light needed. They discuss...
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Thin-layer chromatography
Learners produce chromatograms of various vegetable extracts and standards. Using a flat bed scanner, they create a database of the results.
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Mini-Molar Concentration of HCI
Learners work together to create mini-molar concentrations of HCI. They record and analyze their data for specific results. They answer discussion questions to complete the activity.
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Beta-Oxidation of Unsaturated Fatty Acids
Pupils work in small groups to determine the amount of protein contained in an unknown sample. They conduct the experiment, plot the points of absorbency, and present their findings to the class.
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Activity #20 Tear An Aluminum Can In Half
Students observe the chemical reaction between CuCl2 and aluminum. They identify the evidence for a chemical change. Pupils answer the following questions after observing the experiment: How do you know a chemical reaction occurred?,...
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Radiation In Our World
Students identify the different sources of radiation around us. In this physics lesson plan, students calculate their estimated radiation exposure per year. They research a current issue about radiation.
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Freshwater Macroinvertebrates
Students identify and count Macroinvertebrates at a Hydrology website. For this macroinvertebrates lesson students collect, sort and identify Macroinvertebrates.
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Teaching about Increased Conductivity: Are Culverts The Culprits?
Students encounter the complexity of identifying the cause of unusual variations in WOW conductivity data. They propose theories on why there was a sudden increase in conductivity in Ice Lake, Minnesota during July of 1998.
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Cave Formation Age Estimation
Learners investigate growth rates of flowstone formations. They view a virtual field trip and discuss how flowstones form. They observe the cave fieldtrip and predict the growth rate for a cave formation. They graph growth rates and...
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Corrosion/Conservation/Preservation
Students examine the reasons why metal corrodes in regard to metal artifacts. In groups, they discover the affects of salt water on metal and compare the type of corrosion found on iron. They also research the types of metal...
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Air, Air Everywhere! Lesson 2: Acid Rain
Middle school environmentalists record the pH of four different liquids, including two aerosol cleaning products. They liken the products to acid rain and speculate in writing which might affect the human respiratory system. Although...
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Matters of Milk and Marshmallows
Pupils observe a teacher demonstration o classifying matter by its physical properties of shape and size. After discussing the definition of matter, students describe the state of matter. They sing a song to the tune of "Bingo." In...
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Ice Cream
Open this instructional activity by giving a brief history of ice cream. Using liquid nitrogen to lower the temperature, preteens make their own confection. The accompanying activity sheet queries learners about freezing point, the...
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Holy Starbucks Batman
Students investigate caffeine as a potential new pollutant in a northwest river system. Effects of caffeine on invertebrates and salmon fry will be explored through field work and lab work.
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Strange Bugs
As individuals or in small groups, marine biologists research and discuss archaea and their unusual behavior as compared to bacteria. Teach them about the chemical makeup of the cell membrane of these strange organisms. This complex...
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Diffusion through Membranes
Students identify diffusion and its processes through experimentation and calculations. They also use a CBL and conductivity probe to measure the conductivity of various solutions and study the effect of concentration gradients on the...
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