Browse Interactives

Grades 9-10 Spelling Bee

Read and listen to stories with some words missing. Fill in the missing words, see how many words you spelled correctly and get corrections for the ones you missed.

Discipline: Literature
Audience: Student

Graphing Lab -- Moose Synthesizer Co.

To price his product and maximize his profit, Albert Moose needs to know all his costs and revenue. Assist Albert with his decision.

Discipline: Education
Audience: Student

Gray Whales

Track gray whale migration. Use live data to observe migration patterns.

Discipline: Science
Audience: Student

Groups: Ionic Bonding

Use your knowledge of families of elements. Create compounds by combining individual ions.

Discipline: Science
Audience: Student

Practice classification/pattern recognition skills by guessing which button out of sixteen the computer has chosen. Go through a series of online questions about the buttons that differ in size, color, shape and number of holes to determine the answer.

Discipline: Mathematics
Audience: Student

Guess My Rule

Someone makes up a mystery algorithm and keeps it secret. With the help of the function machine, try to discover the algorithm with as few guesses as possible.

Discipline: Mathematics
Audience: Student

Hazardous Waste in the Home

Many sources of hazardous waste can be found in your own home and require special disposal. Can you determine which household items are hazardous, which can be recycled, which go out with regular household trash and which should be washed down the drain?

Discipline: Science
Audience: Student

Histogram

Review the transitions between various graphical representations of data and discuss the advantages of a histogram have over a stem and leaf plot. Also consider the disadvantages of a histogram.

Discipline: Mathematics
Audience: Student

How Long is a Minute?

Try to judge when you think a minute has passed without counting in your head or watching a clock. Use the online stopwatch to record your guesses, get some friends to guess as well and try to come up with reasons for the variations in responses.

Discipline: Mathematics
Audience: Student

How Many Valentines?

How many valentines are exchanged if each of five friends gives a valentine to each of their other friends? Reflect on your solution, compare it with some others listed, and think about how you would solve a similar problem for more people.

Discipline: Mathematics
Audience: Student

The Human Brain

Explore the three interconnected layers of the human brain. The central core (basic life processes), limbic system (emotion and memory) and the cerebral cortex (higher cognitive functions).

Discipline: Social Studies and History
Audience: Student

Human Genome: Transcribe this DNA

Review the different combinations of nucleotides that form pairs. Then move nucleotides into their correct places on the RNA strand to transcribe the DNA.

Discipline: Science
Audience: Student

Human Genome: Transcription

Observe the process of transcription at the level of the nucleus. See how the information in a segment of DNA (gene) is copied into another type of genetic material called messenger RNA.

Discipline: Science
Audience: Student

Hummingbirds

Observe hummingbirds and report their sightings online. Share and review the sightings with other students/classrooms to track hemispheric migratory patterns.

Discipline: Science
Audience: Student

Hypercube

Discover a fourth spatial dimension by using analogies (point, line and plane) from lower dimensions. Model objects of lower dimensions to gain understanding of a hypercube, which exists in the fourth dimension.

Discipline: Mathematics
Audience: Student

I Took a Trip on a Train

You took four snapshots of some geometric shapes that you saw on your train trip around a circular track. You dropped the pictures and got them mixed up, and now you must imagine your trip to put them back in order.

Discipline: Mathematics
Audience: Student

Identify Rock Types

Identify the three major kinds of rocks. Learn some of the key characteristics that help you tell them apart.

Discipline: Science
Audience: Student

Identify the Tribe

Read the names of three Indian tribes and pick out the tribe that was not considered part of the same area as the others. You have 15 seconds to answer each question.

Discipline: Social Studies and History
Audience: Student

Image as History: Civil War Photography

After many of the Civil War battles, photographers took pictures of the mangled bodies waiting to be buried. Does this photograph depict an actual battlefield scene, or did the photographer contrive it?

Discipline: Social Studies and History
Audience: Student

Image as History: Colonial Society

What does this portrait suggest about eighteenth-century attitudes toward the family? See how portraits of the rich and powerful can provide a picture of life in the American colonies.

Discipline: Social Studies and History
Audience: Student