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You Can Say That Again!: Text Compression
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This activity helps students learn how computers "compress" text by identifying repeating patterns of letters, words, and phrases.
Get In The Game
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In this design challenge, learners will use computational thinking to design their own board game.
Sound Representation: Modems Unplugged
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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.
Color Code
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In this activity, learners conduct the "Stroop Effect" test and explore what happens when they try to complete two simple tasks at the same time.
Fish forms
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In this activity, learners create a three-dimensional sculpture while examining the characteristics of fish.
Are Microbes Alive?
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In this activity (on pages 19-21 of the PDF) learners observe mold growing on potatoes. Preparation for this activity has to start a week before, to allow time for the mold to grow on the potatoes.
Shadow Puppets
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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.
Bridge the Gap
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Learners work in groups to construct bridges using stale marshmallows and toothpicks.
Build a Coral Polyp
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In this activity, learners build one or more edible coral polyps and place them together to form a colony.
Designing Bandages
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Learners design different shaped bandages for different purposes. First, they draw their designs on paper.
Make your own Antelope Horns!
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In this craft activity, learners will explore the structure and purpose of antelope horns by constructing their own headband using toilet paper rolls and yarn.
Metallophone
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In this activity, learners explore sound by constructing an instrument using some metal pipes, rubber bands, and a baseboard.
Draggin' Boats
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Learners design, build, and test models of "dragon boats" made from up to three milk cartons.
Coma Cluster of Galaxies
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In this activity, learners will first learn the basics of galaxy classification and grouping.
Melting Ice
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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.
Static Friction Prediction
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In this activity (page 2 of PDF under GPS: Kinetic Sculpture Challenge Activity), learners will predict which objects have to overcome the most static friction to slide down a ramp.
Feet Fit
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In this self-measuring activity, learners measure and record the length of their foot.
Happy City
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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.
Roots and Shoots
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In this outdoor activity, learners discover that plants aren't just shoots (stem, branches, leaves, and flowers) growing above ground, but contain plenty of roots growing underground—more than half th
Tiny Geyser Models
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In this activity (located on page 2), learners will construct tiny model geysers out of film canisters, warm water, and antacid seltzer tablets.