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Striking it Rich with Chemistry

For Teachers 10th - 11th
Learners identify the composition of different pennies. In this chemistry lesson, students use a post 1982 penny to observe chemical change. They explain how to turn a penny from copper to gold.
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Making Choices With Scarce Resources

For Teachers 9th - 12th
High schoolers examine the role of scarcity and how to allocate resources. They describe examples of opportunity costs and tradeoffs. They choose a service project based on a cost and benefits analysis. They finally evaluate the impact...
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Magnify It!

For Teachers K - 2nd
Students explain that there are limits to what the eye can see and that a magnifying glass can help extend those limits. They examine an object with the magnifying glass and draw the size and shape of what they see as accurately as they...
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First Class Mail

For Teachers 6th - 8th
Students read The Witch of Blackbird Pond, and write a friendly letter to Elizabeth George Speare, the author, discussing their points of interest in the novel with her.
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ANTI-WAR DEMONSTRATION

For Teachers 9th - 12th
Students analyze what can cause conflicts between nations, what the benefits of non-violent conflict resolution are, and what the limitations of non-violent conflict resolution is.
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Analysing a game

For Teachers 3rd - 5th
Students play a game called 'Limit 2' and analyse their moves in order to establish a winning strategy. The subtraction game in this activity is one of a number of games in a unit called 'Analysing games' in the above publication.
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How Can We Live Here? Life In Extreme Environments

For Teachers 9th - 12th
Students explore the limits of life on Earth to extend their beliefs about life to include its possibility on other worlds. They investigate three hypothetical environments and the bacterial life forms that could exist on Earth.
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Separation of Powers

For Teachers 8th
Eighth graders research the three branches of government and examine the effect that the separation of powers has on the presidency. They explain the importance of the rule of law in establishing limits on both those who govern and the...
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Velocity and Acceleration

For Teachers 12th
Twelfth graders look at local speed limits and traffic controls and see if they are reasonable. They plot the displacement and time to represent velocity, develop a plan for improving the current system, and organize experimental...
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Visual and Number Patterns

For Teachers 4th
Fourth graders develop strategies for identifying geometric and number patterns. In this mathematical patterns lesson plan, 4th graders use pattern blocks to make repeating patterns with numbers and shapes. Students then explore number...
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Moving and Working in Space

For Teachers 7th - 8th
Students complete four tasks with certain restrictions. In this astronomy lesson, students explore different ways that astronauts can anchor and maneuver in space. They recognize the challenges they face from day to day.
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Hector's World - Heros

For Teachers 2nd - 4th
Students read the the story Heroes in order to navigate the Internet safely. In this Hector's World instructional activity, students examine the importance of checking with an adult before participating in the online environment....
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What Is Sustainability?

For Teachers 6th - 8th
Students discuss environmental preservation and sustainability and their role in consumption and preservation. After a brief demonstration of how limited our resources are, students determine which natural resources they use most...
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Feeling for Answers

For Teachers 6th - 12th
Students consider the legal issues related to a suicidal or depressed college student by reading and discussing the article, "Laws Limit Options When a Student Is Mentally Ill." They write essays considering how the events at Virginia...
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Block the Shock Jock or Not?

For Teachers 6th - 12th
Students examine their own experiences with racist and sexist speech by deciding whether or not they agree or disagree with statements related to this subject. They explore the limits of public speech by reading about the controversy...
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Vocabulary: Kansas Prairies

For Teachers 3rd - 5th
Students explore the ecosystem by reviewing scientific vocabulary terms. In this environmental awareness lesson, students identify the differences between abiotic and biotic factors and their relationship to the Earth. Students define...
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Population Density In Fish

For Teachers 6th - 8th
Students investigate how a population of fish multiplies in an ecosystem and the kinds of things that must be done to maintain a healthy population balance with other organisms that live there. They conduct an experiment to test the...
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Ecosystems II

For Teachers 6th - 8th
Students engage in a lesson that is about the concepts related to the careful balance of an ecosystem. They identify the beneficial and harmful relationships that can exist with diverse populations in an ecosystem. The lesson includes...
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Separation of Powers

For Teachers 8th
Eighth graders explore and explain the responsibilities and limits of our national system of government. After reading various selections documenting the viewpoints of the federalists and anti-federalists and the separation of power,...
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Secant Line Approximation of the Tangent Line

For Teachers 9th - 11th
Young scholars perform operation with secant and tangent lines. For this calculus lesson, students find the derivative and relate it to the slope of a line. They differentiate between secant and tangent as they intersect a circle, using...
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The Slope of a Curve

For Teachers 9th - 11th
Students graph the slopes of a line using the intercepts. In this precalculus lesson, students identify the properties of a curve slope. They find the limit and use a graping calculator to graph their lines.
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Online Search Techniques: 6 Keys to Success

For Teachers 8th - 12th
Pupils examine Boolean operators, truncation, exact phrase searching to retrieve information from search engines. They discover how using limits enhances their searches.
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Basic Workplace Rights

For Teachers 10th - 12th
Students study basic workplace rights and the limits of those rights. They determine how many of the rights guaranteed in the Constitution only regulate governmental actions, not private actions. They examine the concept of at-will...
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Respiration Challenge

For Teachers 11th - Higher Ed
Students use limited data and their prior knowledge to solve problems focused on various inhibitors of respiration in this instructional activity on cellular respiration in a molecular level. This instructional activity includes a...

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