Browse Interactives

Timeline: Global Politics Recap

Reveal key foreign policy decisions through U.S. history. Select “You Decide” to test your knowledge.

Discipline: Social Studies and History
Audience: Student

Timeline: History of Psychology

Learn about the historical foundations of contemporary psychology. Use the timeline to explore key events, publications, and perspectives that have shaped psychology from the late 19th century to the present.

Discipline: Social Studies and History
Audience: Student

The Towers Problem

Build as many different looking towers as is possible, each exactly four cubes high using two colors of Unifix® Cubes. Convince yourself and others that you have found all possible towers four cubes high and that you have no duplicates.

Discipline: Mathematics
Audience: Student

Tracing the Path

Draw arrows connecting the sources of energy to the receivers of energy. Remember that some sources of energy have more than one receiver and some receivers of energy have more than one source.

Discipline: Science
Audience: Student

Transform the Rock

There are five processes that can change rocks over time. Pick the process that has changed each rock from one type to another and then identify the process that cycles each rock from magma to rock and back to magma.

Discipline: Science
Audience: Student

Transforming a Circle

You can find the areas of different polygons by dissecting the polygons and rearranging the pieces into a recognizable simpler shape. Cut a circle into wedges and fit them together to form a crude parallelogram.

Discipline: Mathematics
Audience: Student

Trigonomic Functions

Use a trigonometry calculator to explore the ratios of sides of a right triangle. Do the sine, cosine and tangent have maximum or minimum values?

Discipline: Mathematics
Audience: Student

Tulip Gardens

Track tulip growth as the season changes from winter to spring. See how temperature, rainfall and sunshine affect growth and help scientists look for patterns of climate change.

Discipline: Science
Audience: Student

Tungurahua Timeline

The Tungurahua volcano in Ecuador has gone through a series of active and dormant periods. Follow the volcano's activity from 1773 to 2000, including a scene of an explosive eruption in 1999.

Discipline: Social Studies and History
Audience: Student

A Typical Week

Explore several representations of how you spend your time during a typical week and compare them to those of another teacher. Which representations are easier to compare?

Discipline: Mathematics
Audience: Teacher

Unit Prices

Work with widgets and milk cartons to think about unit pricing problems and reflect on the various strategies you used to solve these problems. Then create your own unit pricing problem.

Discipline: Mathematics
Audience: Teacher

United States History Map

Become a geography whiz as you learn how the United States was settled. Discover how the continent was irrevocably changed by European colonization, the events that caused the wholesale displacement and decimation of the land's original inhabitants, and how the 50 states came to be formed.

Discipline: Social Studies and History
Audience: Student

Units and Prefixes

Explore some common units and prefixes in the metric system. Then decide which metric units you would use to measure several displayed objects.

Discipline: Mathematics
Audience: Student

Unity and Diversity

Analyze teaching strategies used in four classroom examples. Describe how the teachers incorporated themes of unity and diversity into their lessons and compare your answers to the sample answers provided.

Discipline: Social Studies and History
Audience: Teacher

US History Map Assessment: Test Your Skills

Test how much you know about major U.S geographic features, Indian tribes, states and regions, European colonists and territorial expansion. View your correct and incorrect answers, and print out your assessment.

Discipline: Social Studies and History
Audience: Student

Using Artifacts

View an engraving and two photographs from U.S. history. As you view these resources, think about what you can identify and interpret through the images, and what kinds of questions you might generate if you were using these images to teach your students.

Discipline: Social Studies and History
Audience: Teacher

Using Hexominos to Manufacture Boxes

Which hexomino net wastes the least amount of paper and yields the most boxes per sheet? Comment on how concepts such as area, spatial visualization and relationships among geometric shapes are all involved in solving this problem.

Discipline: Mathematics
Audience: Teacher

Using Your Day To Inspire Writing

Scroll through the events from a single day of a writer/teacher. Roll over each event to see how it sparked ideas for writing topics and genre(s).

Discipline: Literature
Audience: Teacher

Valentines Cards

How many valentines are exchanged if each of your 24 students gives a valentine to everyone else in the class? Think about how you would solve a similar problem for a school of 1,000 students.

Discipline: Mathematics
Audience: Teacher

Valuing Diversity in Learners

Study four types of learners (heritage language learners, those with learning disabilities, with different learning styles and in different levels)and the issues related to each. Read strategies of other teachers and describe strategies you might use.

Discipline: Foreign Language
Audience: Teacher