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What's a more compelling problem to solve than being stranded on a deserted island?

In this activity, learners are challenged to design, build and test a birdhouse that will stay cool in the sun.

In this activity, learners build their your own seismograph with household materials to document shaking.

Learners attach an egg to a rubber-band bungee cord and drop the egg.

In this activity, learners construct hail-proof houses using recycled materials to discuss storm readiness and safety.

Design a vessel that tests the limits of wind power given a set of off the shelf and recycled materials.

In this activity, learners will use a compact disc to build an air puck that can glide across a smooth tabletop. The puck glides with almost no friction on a cushion of air escaping from a balloon.

This activity helps students learn how computers "compress" text by identifying repeating patterns of letters, words, and phrases.

In this design challenge, learners will use computational thinking to design their own board game.

In this activity, learners listen to songs and decode hidden messages based on the same principle as a modem. As a final challenge, learners decode the binary messages in a music video.

If you have lights, cardboard, scissors, and some brass fasteners, you can make shadow puppets! Create a story-telling and design challenge for your learners with this simple and creative activity.

In this activity, learners will first learn the basics of galaxy classification and grouping.

In this activity, learners explore density, convection, stratification, and, by inference, the melting of icebergs. Learners make hypotheses, test their hypotheses, and explain their observations.

Make a model city happier with LEDs, circuits, motors, and batteries! Groups can think, discuss, design, and build what would make a community happy. Kids can work as part of a team or on their own.

In this chemistry meets cooking activity, learners compare the stability of egg white foams with various additives.

In this experiment, learners will explore whether increased carbon dioxide makes our oceans more basic or more acidic.

This magic trick is based on how computers detect and correct data errors.

Learners will do an experiment to determine which type of paper is strongest while focusing on variables and collecting data.

In this outdoor activity, learners discover how the environment around a building affects the growth of plants.

In this activity, learners construct wands that play different notes depending on information from light sensors programmed via a PICO Cricket.