Teacher resources and professional development across the curriculum

Teacher professional development and classroom resources across the curriculum

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Discover Euler's Theorem

Euler's Theorem states that there is a relationship among faces (F), vertices (V), and edges (E) for every polyhedron. Discover this formula yourself by completing this activity.

Discovering Neutrino Oscillation

Discover neutrino oscillation and try to match real experiments with this simulator. Do electrons oscillate? What happens to the rate of neutrino detection as you move closer and farther from the source?

Disease Lab

This simulator will let you explore various diseases: Kold, a caricature of the common cold; Impfluenza, which resembles an influenza outbreak; and Red Death, a fast-spreading epidemic with a high mortality rate. What factors influence the spread of these diseases, and what can we do to counter them?

The Distance Formula

Plot points on a graph. Use the Pythagorean theorem to calculate the distance between them.

Divergent Boundaries - Spreading Plates

What happens as boundaries diverge? Watch a continental rift, volcanoes and lakes form as two continental plates move apart.

Division with Manipulatives

Area models offer a visual representation of mathematical operations. Use these models to perform multi-digit division.

DNA

Learn about genetics, genetic engineering, the Human Genome Project and the ethical implications of these new technologies.

DNA Assessment: Test Your Skills

Test your knowledge of DNA, RNA, genes, genomes, transcription and genetic engineering. Take this 40-question test, review your answers, and print out your assessment.

DNA Timeline

Explore the history of DNA on this interactive timeline. Discover key moments in the study of DNA as well as more recent developments in DNA technology, such as genetically engineered food and cloning.

Drawing a Box Plot

Learn how to represent the Five-Number Summary graphically using a box plot.

Dynamic Earth

Delve into the structure of the Earth to learn what causes earthquakes, volcanoes, and more.

Dynamic Earth Assessment: Test Your Skills

Test your knowledge of the earth’s layers and the shifts that create mountains, volcanoes and earthquakes. Take this 30-question test, review your answers, and print out your assessment.

Earth's Plates

Examine clues about the behavior, history and appearance of various volcanoes. Then try to locate the volcanoes on the map.

Ecology Lab

Build your own ecosystem, and explore the effects of these interrelationships.

Economic Timeline

The economic landscape has drastically changed throughout history. Use this timeline to dig deeper, discover relationships, and explore concepts.

Elections and Issues

You've just found out that your neighborhood has been declared a gun-free zone. Choose which side of the issue you are on, and decide which civic actions you will take to support your position.

Elements of a Story

Explore different ingredients, or elements, that go into stories and make them so much fun. Read the story, "Cinderella," and look at all the different pieces of the tale to see how they all fit together.

Elements of a Story Assessment: Test Your Skills

Test your knowledge about setting, characters, sequence, exposition, conflict, climax and resolution. Take this 14-question test, review your correct and incorrect answers, and print out your assessment.

Elements of Authentic Instruction

Analyze three classroom segments and identify teaching strategies that illustrate authentic instruction. Give examples to support your answer and compare your answers to those of other teachers.

Energy Lab

Try to meet the world's projected energy demand by choosing from the available energy sources, while keeping atmospheric CO2 under control. You must avoid the limits and pitfalls associated with each energy source.

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