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Lesson Plan
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Ions in the Environment

For Teachers 10th - 12th
Students explain the importance of the five main biogeochemical cycles. In this chemistry lesson, students discuss how ions are transported in the environment. They design an experiment to collect data on eutrophication.
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Lesson Plan
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Using Ion Exchange Chromatography to Separate Proteins

For Teachers 9th - Higher Ed
Students explore protein purification by separating a positively charged molecule, lysozyme, from a negatively charged molecule, albumin, at neutral pH using ion exchange chromatography.
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Lesson Plan
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Brazilian Guilty of Murdering American Nun

For Teachers 6th - 10th
Students read, analyze and critique a newspaper article about a nun's murder in Brazil. They assess key vocabulary terms found within the article, answer a variety of comprehension questions and study how to write a letter to a newspaper.
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Lesson Plan
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Finding and Measuring What You Can't See

For Teachers 9th - 12th
Students determine how scientists measure pollutants in food and the environment. Students discover how scientists remove one material based on its physical properties. Students figure out how much of a pollutant is present after...
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Lesson Plan
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Chessboard Series

For Teachers 9th - 12th
Students work together on a word problem. They write a written report of the answer. They participate in a chessgame in which the answers are used.
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Lesson Plan
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Rocking the Boat

For Teachers 5th - 7th
Students work together to discover the concepts of stability and equilibrium. They examine how equilibrium is related to an item's center of mass. They create their own action scene in a literacy activity.
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Worksheet
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Basic Subtraction Facts: Missing Blanks

For Students 1st - 2nd
In this math worksheet, students solve 20 subtraction problems in which there is a missing number in each. Students use the number line to fill in the missing number in each problem.
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Lesson Plan
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Pounds of Pollution

For Teachers 9th - 12th
Students examine pollutants and investigate air pollution emitted by a car in a year.  In this air pollution lesson students complete an activity and make calculations. 

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