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Biodiesel Combustion and Its Influences in NOx Emissions
Tenth graders evaluate the physical mechanisms that cause a change in NOx emissions. In this combustion lesson, 10th graders participate in a research project. Students create a presentation of their findings.
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Structure-Property Relationships
Students explore the structure and property changes of water through videos and classroom discussion. They are introduced to atomic arrangement of solids by looking closely at carbon in different forms, such as graphite and diamond....
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Where Does the Green Go?
Students investigate why green leaves change colors in the fall. They press leaves and write a poem, create a chlorophyll leaf print, take a nature walk, and create a leaf shape poster.
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Its Getting Thinner and Thinner
Students design posters on the ozone to be judged. They design a board game on the depletion of the ozone and list the layers of the atmosphere. They construct a collage of the atmosphere into layers according to the way temperature...
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A Drug Encounter
Children discover with parent supervision, places where medications are stored and identify any chemical substances that are taken to change how one's body or mind works. Child discusses with parent differences between medicine and...
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What's The Matter?
Fourth graders accurately describe various states of matter, Through experimentation, they change a variable to create a new state of matter. Students record their observations about the way matter is changed and the changes that occur...
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Reaction rates and Equilibrium
Students listen to a lecture on the collision theory. They discuss the reactant and product changes during a chemical reaction. Students are taught the factors affecting reaction rates. They complete a lab on entropy, heat and free...
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Matter
In this matter learning exercise, students are given 10 sentences with italicized terms that are wrong. Students correct the terms to appropriately fit the sentences. Topics are related to matter such as physical and chemical properties,...
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Le Chatelier's Principle
In this chemical reaction worksheet, learners apply Le Chatelier's Principle to explain how the given changes in reaction conditions will affect the position of equilibrium. This worksheet has 6 problems to solve.
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Calorimetry Worksheet
In this calorimetry worksheet, students determine the change in enthalpy, sketch the heating curve, and determine the specific heat and heat of fusion for a given compound. This worksheet has 4 problems to solve.
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Science Investigation Using Water Quality
Eighth graders conduct an experiment that analyzes the physical and chemical characteristics of various water samples. They discuss the procedures and safety concerns for the water test, and test their water samples to determine if they...
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Genetics 4 Mutations
Students identify and illustrate how changes in DNA cause mutations and evaluate the significance of these changes. They illustrate a chromosomal mutation such as duplication, deletion, inversion, and translocation.
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No Impact Project: Water
Students use the "No Impact Project" to analyze the consumption of water. In this water consumption lesson, students discuss the pros and cons of tap water or bottled water. Students read about chemicals in water and watch a video clip...
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Vitamin C Testing
Pupils determine which of three beverage samples contains the most vitamin C. They then apply their knowledge to an additional situation. Students use beverages that have a large, definite difference of vitamin C content to facilitate...
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Ziplock Chemistry
Pupils participate in an experiment in which the substances are sealed in a plastic bag. Watching the experiment, they determine why the chemical reaction is taking place and calculate the temperature change. To end the lesson, they...
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Weathering Landforms
Fifth graders brainstorm a list of ways the Earth's surface can change. As a class, they are introduced to the concepts of erosion and weathering and discover how wind and water cause changes to the surface of the Earth. To end the...
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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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Mountains of Erosion
Students study the change in land formations due to water erosion. They work in groups to build a model of a mountain that will be composed of materials that will best withstand water erosion.
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Will it Stretch?
Students explore elasticity and describe the effects of temperature changes on physical properties. In this rubber band stretch lesson students complete an experimental activity and show their results.
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Environmental Chemistry
Eighth graders are introduced to the topic of Environmental Chemistry. In groups, they review the steps within the scientific method and develop their own hypothesis and design an experiment. They solve equations related to the...
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Cricket Dissection
Students conduct an experiment to test the effects of various chemicals on breathing and to practice animal dissection. They carefully dissect house crickets to identify the breathing structures and determine their rate of respiration....
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Water Pollution
Fifth graders observe and record what happens when household products are added to a tank of water to depict water pollution. They brainstorm ideas of how to clean the contaminate out of the water before watching demonstrations of...
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Where in the World is Carbon Dixoide?
Students conduct experiments designed to detect the presence of CO2 by using a BTB that changes color (blue to yellow) in the presence of CO2. First, students experiment with the CO2 from combining vinegar and baking soda. In part two,...
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Paper Chromatography
Students use this design the illustrate how ink can be separated into its component chemicals using paper chromatography. They use five unknown samples of ink on pre-labeled chromatography strips are provided to students. Students use...
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