Browse Interactives

Put Your Money to Work

One way to be sure you'll have enough money to live comfortably when you retire is to put your money in a savings account where it will collect interest. Find out how simple and compound interest can help your money grow and calculate your own savings.

Discipline: Mathematics
Audience: Student

Quick Images

Stretch both your visualization and drawing muscles. View a shape for three seconds and then try to draw it from memory.

Discipline: Mathematics
Audience: Student

Quilts

Copy a quilt block made of 16 squares. Each block will have one of the four symmetry types: H, M, B, or S and you choose which you think it is.

Discipline: Mathematics
Audience: Student

Random Sampling

Sampling can produce measurement bias. See if you can personally select a sample that is representative of a particular population.

Discipline: Mathematics
Audience: Student

The Rectangle Method

One approach for finding area is to surround the shape with a rectangle, determine the areas of the rectangle and subtract the pieces of the rectangle that are outside the original shape. Use this geoboard to create shapes and determine their areas.

Discipline: Mathematics
Audience: Student

Repeating Decimal Rings

The process of converting fractions to decimals can help clarify the relationship between the two. Investigate the repeating parts that emerge when you expand sevenths and 13ths fractions into decimals.

Discipline: Mathematics
Audience: Student

Report Your Sightings

Observe various migratory species (hummingbirds, butterflies, etc.) and report their sightings online. Share and review the sightings with other students/classrooms to track hemispheric migratory patterns.

Discipline: Science
Audience: Student

Research Methods

Imagine you are a research psychologist. Learn about proposing a hypothesis, using the scientific method, collecting and analyzing data and respecting the basic rights of humans and animals.

Discipline: Social Studies and History
Audience: Student

Resolution

Listen to an explanation about the resolution in Cinderella. Identify the story’s ending.

Discipline: Literature
Audience: Student

Robots

The owner of a factory has two expensive robots to automate a manufacturing process. Use the topological concept of a configuration space to coordinate their actions and maximize their efficiency on the manufacturing floor.

Discipline: Mathematics
Audience: Student

Rock Cycle Assessment: Test Your Skills

Test your knowledge of rocks and the rock cycle. Take this 15-question test, review your correct and incorrect answers, and print out your assessment.

Discipline: Science
Audience: Student

The Rock Cycle Diagram

Put your knowledge of rock types and geologic processes together to identify the different parts of the rock cycle. Answer a series of questions to complete the rock cycle diagram.

Discipline: Science
Audience: Student

The Rock Cycle

Learn how to distinguish between types of rocks and discover how rocks change over time.

Discipline: Science
Audience: Student

Running a Function Machine

The connected machine is a single function that takes an input, runs it through the network inside and produces an output. You control a network of function machines along with the input and the operation performed by each machine to solve problems.

Discipline: Mathematics
Audience: Student

Sampling the Electorate

As the pollster for candidate Higgins, you need to know how she is faring with different groups. Read her political profile, view the demographic profile of the city, decide on the groups to poll, review the results and learn about random sampling.

Discipline: Mathematics
Audience: Student

Sequence

Listen to an explanation about the series of events in Cinderella. Then look at some pictures where the story's events are all mixed up and put them in the correct order.

Discipline: Literature
Audience: Student

Setting

Listen to an explanation about Cinderella’s setting. Identify the story’s place and time.

Discipline: Literature
Audience: Student

Shadows

Can you judge an object by its shadow? Use your mental rotation skills to determine if a shadow can be produced by a particular shape.

Discipline: Mathematics
Audience: Student

Shotgun Sequencing

Understand how combinatorics is used in the "shotgun sequencing" of DNA. Create a directed graph to aid in sequencing of nucleotides.

Discipline: Mathematics
Audience: Student

Shrinking a Landfill

Shrink a community landfill by 10 percent with a budget of $50,000. Review each type of waste (food, glass, paper, etc.) and see how much reduction you can get for your money.

Discipline: Science
Audience: Student