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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 the relationship between an object’s mass and the distance it is thrown by a catapult. Groups of learners will...

    Ages 8 - 14
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    Science Friday
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    In this activity, learners build a stuffed-animal zip line. Learners hold a cord against a wall, hook a cute stuffed animal onto it, let the animal slide down, and records its travel time. Use this...

    Ages 8 - 11