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    PBS
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    In this "Sid the Science Kid" activity, learners observe reversible change while thinking about ways to make ice melt. Learners freeze a piece of fruit in an ice cube and then explore...

    $1 - $5 per group Ages 4 - 6 2 to 4 hours
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    IEEE
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    In this activity, learners explore how engineers use scales and measures when designing a manufacturing process to ensure that final products are uniform in weight or count. Learners explore...

    $1 - $5 per group Ages 11 - 18 2 to 4 hours
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    Twin Cities Public Television
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    This activity (located on page 3 of the PDF) is a full inquiry investigation into bird behaviors. Groups of learners will brainstorm a list of possible behaviors to start, then separate into teams...

    free Ages 8 - 14 2 to 4 hours
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    The Exploratorium
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    In this activity, learners build bridges out of newspaper and tape to explore how structures are designed to bear loads. Learners adjust and modify their designs to accommodate a certain amount of...

    1 cent - $1 per group Ages 4 - 11 2 to 4 hours
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    IEEE
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    In this activity, learners apply Ohm’s Law to construct voltage divider circuits. Learners discover how to read resistor codes and calculate resistor values. Using breadboards, learners build...

    Over $20 per group Ages 14 - 18 2 to 4 hours
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    Twin Cities Public Television
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    In this technology activity, learners build simple circuits, design soft circuits using conductive thread, and then sew switch-activated circuits. Learner make a wearable fashion accessory, like a...

    Over $20 per student Ages 8 - 14 2 to 4 hours
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    The Exploratorium
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    This is a lesson plan for an activity in which learners, playing the role of archeologists, use math concepts about number bases to decipher the Dresden Codex, an ancient Mayan document. The lesson...

    1 cent - $1 per group Ages 8 - adult 2 to 4 hours
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    NOAA
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    In this activity, learners observe the effect of transpiration as water is moved from the ground to the atmosphere. Learners conduct the experiment by placing a large plastic bag over a living limb...

    1 cent - $1 per group Ages 6 - 14 2 to 4 hours
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    IEEE
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    In this activity, learners explore how boats are engineered to achieve speed. Learners consider and develop a design, build their speedboat out of everyday items, and test their boat against those...

    Over $20 per group Ages 11 - 18 2 to 4 hours
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    Aquarium of the Bay
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    In this activity (page 7 of pdf), learners research tide pool ecosystems, and then create brochures that "advertise" these environments. Working in groups or individually, learners study...

    1 cent - $1 per student Ages 8 - 11 2 to 4 hours

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