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    Twin Cities Public Television
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    In this activity, learners explore the structure of plant leaves. Learners find out what happens when they coat either the top or bottom sides of leaves with petroleum jelly. Use this activity to...

    $5 - $10 per group Ages 6 - 14 1 to 7 days
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    Carleton College
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    In this activity, learners use Styrofoam to collect organisms from a pond, estuary or marine environment and then examine what they have caught with a microscope. The tiny spaces in Styrofoam...

    $1 - $5 per group Ages 8 - 18 1 to 7 days
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    Lawrence Hall of Science
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    This activity gets learners looking at 6-sided shapes in nature, including the cells of a beehive, as well as other shapes. Learners use the activity's shape chart to keep track of all the...

    1 cent - $1 per group Ages 4 - 14 1 to 7 days
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    American Museum of Natural History
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    Learners follow a three-step process to start their own rock collection. Learners will collect rocks, record information about each rock on a Rock Chart, observe and sort their rocks, and create a...

    $1 - $5 per student Ages 8 - 14 1 to 7 days
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    Children's Museum of Indianapolis
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    In this three/four-day lesson, learners calculate perimeters and areas and draw the castle plan to scale. They develop a timeline outlining the construction of a castle and build catapults, a...

    $5 - $10 per group Ages 8 - 14 1 to 7 days
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    Twin Cities Public Television
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    This activity (on page 3 of the PDF) is a full inquiry investigation into how some desert birds keep their cool. Learners will make four model Saguaro nests out of Styrofoam ice chests, insert...

    $10 - $20 per group Ages 8 - 14 1 to 7 days
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    Twin Cities Public Television
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    This activity is a full inquiry investigation into g-force and acceleration. Groups of learners will construct their own accelerometers. Then, with permission from their local amusement park, they...

    $5 - $10 per student Ages 8 - 14 1 to 7 days
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    American Museum of Natural History
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    In this nighttime, outdoor activity, learners keep a record of what they see in the sky by drawing constellations, the Moon, and making note of the weather and conditions each day. Learners can...

    $1 - $5 per student Ages 8 - 14 1 to 7 days
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    Twin Cities Public Television
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    This activity (on page 2 of the PDF) is a full inquiry investigation into hovercraft engineering and design optimization. Groups of learners with access to power tools and a wood shop will build a...

    Over $20 per group Ages 8 - 14 1 to 7 days
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    Lawrence Hall of Science
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    In this group or individual activity, learners are encouraged to watch birds near home or school—possibly where birds are nesting in a tree, pecking in a park, feeding from a feeder, or flying...

    free Ages 6 - 14 1 to 7 days

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