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Even fast computers are limited to how quickly they can solve problems. One way to speed things up is to use several computers at once.

Data in computers is stored and transmitted as a series of zeros and ones. Learners explore how to represent numbers using just these two symbols, through a binary system of cards.

Computers are often used to put lists into some sort of order—for example, names into alphabetical order, appointments or e-mail by date, or items in numerical order.

When a lot of people share one network (such as cars using roads, or messages getting through the Internet), there is the possibility that competing processes will create a “deadlock," or an interrupt

In this web-based activity, learners try to figure out who in an online chat room has their matching puzzle piece.

Put on a pair of gloves and be the conductor of your invisible orchestra!

Play-Doh is conductive! Use the semiconductive qualities of Play-Doh to make your own squeezable instrument. Pico Cricket is required.

This activity (on page 2 of the PDF under SciGirls Activity: Earthquakes) is a full inquiry investigation into aerial imagery.

In this activity (on pages 22-24 of the PDF), learners match extreme enviroments with life forms they support.