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Cast Your Vote
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In this activity, learners explore how voting systems have changed with engineering advances over time. Learners work in teams to design their own voting system using easy to find materials.
Mystery Jars: Make Your Own: Estimating and Counting
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Learners make a counting/estimating jar to exchange with friends or bring home.
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Caring Together: Activity Stations
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In this Bob the Builder(TM)-themed activity, learners explore the 3Rs (Reduce, Reuse, Recycle) by rotating through several activity stations.
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Three Little Pigs
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In this activity, leaners explore building techniques by recreating the story of The Three Little Pigs.
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Trophy Triathlon
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In this activity, learners are challenged to design and construct a trophy for prize-winning sports equipment.
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A Matter of Splatter
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In this math-based activity, learners will experiment to find how height and angle affect spatter and then use this knowledge to solve a crime.
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Spinning Illusions
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In this activity, learners construct three optical illusion toys to examine how our brains play tricks on what we see.
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Wind Tunnel
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Scientists use enormous wind tunnels to test the design of planes, helicopters, even the Space Shuttle.
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Copper Cleanup
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In this hands-on experiment, kids use chemistry to explore whether acids or bases are better at restoring a penny’s shine.
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Mix It Up
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In this math lesson, learners are introduced to proportional reasoning through modeling, sharing, and questioning techniques.
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Where the Buffalo Roam
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In this activity, learners explore the Great Plains.
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Secret Writing Devices
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In this activity about encryption, learners cut out a secret decoder badge from a handout and use it to encode messages to each other.
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Headphone Helper
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In this design challenge activity, learners add headphones to a previously built instrument (see "Build a Band" activity) to make it easier to hear.
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Fruits and Vegetables: Color Your Plate
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In this activity, learners explore healthy choices related to the foods they eat. The importance of a variety of fruits and vegetables to a healthy diet is the focus of the experience.
Building Houses: Build a Cardboard Tube House
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Build a house you can fit inside, using cardboard tubes.
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Floating and Falling Flows
Learners create beautiful fluid motion. They explore fluid dynamics, surface tension, solubility, and buoyancy while mixing liquids together.
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Tidepool in the Classroom
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In this activity (page 4 of the pdf), learners build a model of a tide pool, using chicken wire, paper mache, and other craft materials.
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Magic Lanterns
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A magic lantern is a light that projects an image onto a screen.
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Marble Mazes
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In this activity, learners create a marble maze that contains sensors. As a metal marble triggers the sensors, the Pico Cricket turns on lights or spins motors.
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Comparing Sizes of Microorganisms
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In this activity related to microbes, learners create scale models of microorganisms and compare relative sizes of common bacteria, viruses, fungi and protozoa using metric measures: meters, centimete