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Lighting the Way: Lighthouses of the Chesapeake Bay
In this math worksheet, students read several selections about lighthouses in Chesapeake Bay and answer 15 short answer questions that follow.
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From Polymers to Bioplastics: Looking Toward Finding Renewable Resources
Students investigate the properties of polymers. In this chemistry activity, students explain the importance of energy sources. They produce a bioplastic from the lab and evaluate its structural integrity.
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Great Glaciers!
Seventh graders study the earths surface and how changes happen to it. In this glacier lesson students complete a lab activity to see how glaciers form.
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Coho Salmon Enhancement
Students build a fish trap across a small stream. The purpose of the trap is to collect baseline data of Oncorhynchus kisutch, Coho salmon, smolt numbers coming out of a spring-fed pond. Other biological data also be measured.
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Making soap you can use
Those textbook experiments are no good. Using this simple method you can make a real bar of soap. It's
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The pH scale
Students list the common properties of acids and bases. They classify substances as acids or bases, by using pH and litmus tests and are able to explain the pH scale. They participate in a lab activity which reinforce their understanding.
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Crayon Resist Fall Leaves
Learners observe the different colors in fall leaves. They create a multi-color fall leaf in the crayon-resist technique.
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Weathering and Erosion: Some Ways the Hydrosphere Affects the Geosphere
Students explain the causes of erosion, describe the effects of erosion, and devise a method of preventing erosion. They model the before-and-after-effects of erosion.
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How to Read a Thermometer
Students' temperature is measured using an instrument called a thermometer.
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Does the Sun Influence the Temperature of the Earth?
Students explore whether the sun influences the temperature of the earth.
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Candy Cane Chemistry
Fourth graders, in groups, examine the effect of heat on bonding forces by doing laboratory work.
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Endothermic or Exothermic That Is the Question
Students conduct an experiment to determine what happens to heat energy during a chemical reaction. They examine an endothermic reaction by observing a chemical reactions.
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What Is the Freezing Point?
Students remove heat energy and determine how it causes a phase change.
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Glucose Factory
Fourth graders determine, through laboratory activity, the presence or absence of glucose in a variety of plant leaves and stems. They work in groups and perform a three part laboratory which shows them how plants convert sunlighht to food.
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Diving Raisins
Students hypothesize and observe what occurs when raisins are dropped in a carbonated liquid. They examine buoyancy and how density effects ascent and descent.
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Taste Buds
Students sample several sweet, sour, bitter and salty foods. They determine what part of their tongue tasted each flavor.
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Comets and Meteors
Pupils construct a model of a comet nucleus using dry ice. They add other materials and describe the features. They complete related exercises on an Internet Web site.
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Ecosystems
Young scholars work in small groups to create a poster illustrating the flow of energy through a typical ecosystem, then present their posters to the class.
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Project Geode
Young scholars predict the appearance of a geode's internal structure based on its mass and density. They form a hypothesis based on the data they collect. They also identify common minerals found in Illinois.
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Desert Tortoise Tale
Students listen to a reading of the "Desert Tortoise Tale" and complete a maze that highlights the different threats the baby tortoise faces along the way. They discuss the reasons the Desert Tortoise is becoming endangered.
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The Conceptual Theory of Chromatography
Students conduct a lab to determine the best way to separate a variety of mixtures choosing between paper, thin layer and column chromatography. They use chromatography techniques to identify unknown substances and submit a lab report on...
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Clouds and Your Weather
Seventh graders identify clouds and the weather associated with them. They use informational articles and personal weather observations to learn about the relationships between weather fronts and clouds.
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Fuel Mystery Dis-Solved
Students describe how temperature and surface area exposure affect the rate at which fuel is consumed. They explain why engineers want to know about the properties of a fuel when designing rockets. They create a bar graph of result data.
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