Browse Interactives

Constructing Triangles

Use a "linkage strip" to build triangles with different side lengths. When you build a triangle, see if you can deform it into a different triangle while keeping the side lengths the same.

Discipline: Mathematics
Audience: Student

Continents Over Time

You have two minutes to correctly arrange five images showing the positions of the continents during different geologic periods. Can you do it?

Discipline: Science
Audience: Student

Control the U.S. Debt!

Neither the president nor Congress appears to be near a solution on how to control the U.S. debt. Use this exercise to show them how to do it.

Discipline: Social Studies and History
Audience: Student

Convergent Boundaries - Colliding Plates

What are convergent boundaries? Examine how collisions of oceanic and continental plates can create volcanoes, island arcs and earthquakes.

Discipline: Science
Audience: Student

Converting English Mass Units

Practice converting mass from one British unit to another. Use your calculator if you need to.

Discipline: Mathematics
Audience: Student

Converting English Lengths

Practice converting lengths from one British unit to another. Use your calculator if you need to.

Discipline: Mathematics
Audience: Student

Converting English Volumes

Practice converting volume from one British unit to another. Use your calculator if you need to.

Discipline: Mathematics
Audience: Student

Converting Fahrenheit to Celsius

Practice converting temperatures from Fahrenheit to Celsius. Feel free to consult the conversion chart and use your calculator if you need to.

Discipline: Mathematics
Audience: Student

Converting Metric Lengths

Practice converting lengths from one metric unit to another. Use your calculator if you need to.

Discipline: Mathematics
Audience: Student

Converting Metric Lengths into English Lengths

Practice converting metric lengths into British lengths. Feel free to consult the conversion chart and use your calculator if you need to.

Discipline: Mathematics
Audience: Student

Converting Metric Mass Units

Practice converting mass from one metric unit to another. Use your calculator if you need to.

Discipline: Mathematics
Audience: Student

Converting Metric to English Mass

Explore the relationship between the metric and British system. Practice converting metric mass into British mass.

Discipline: Mathematics
Audience: Student

Converting Metric to English Volume

Practice converting metric volume into British volume. Consult the conversion chart and use your calculator if you need to.

Discipline: Mathematics
Audience: Student

Converting Metric Volume

Practice converting volume from one metric unit to another. Use your calculator if you need to.

Discipline: Mathematics
Audience: Student

Counting Raisins

Count the number of raisins in seventeen half-ounce boxes of raisins. Then come up with a solution to determine how many raisins are in Brand X's or Brand Y's box of raisins.

Discipline: Mathematics
Audience: Student

Counting Stairs

Build staircases out of square blocks. Look for patterns and come up with a rule or formula to predict the number of blocks in any staircase.

Discipline: Mathematics
Audience: Student

Creating a Line Plot

Watch as a physical stack of coins is added as a series of dots to a line plot.

Discipline: Mathematics
Audience: Student

Cuisenaire Rods

Look at patterns of solids made with Cuisenaire rods. Make a table of the surface area and volume for each term of this sequence and view graphs of your data. Find the rule for the nth term.

Discipline: Mathematics
Audience: Student

Curate a museum exhibit centered on the theme of "Conflicts in American History." Select artifacts, letters, paintings and other items, and then write descriptions of the items that tie them to the larger theme. View and print final compiled exhibit.

Discipline: Social Studies and History
Audience: Teacher

Cylinders, Cones, and Spheres

Is there a relationship between the volume of a sphere and the volume of a cylinder of equal diameter and height? What about the volume of the sphere and the cone?

Discipline: Mathematics
Audience: Student