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    In this engineering activity (page 3 of PDF), young learners investigate how a pole can be made stable by “planting” its base in the ground or adding supports to the base. First, learners observe...

    $1 - $5 per group Ages 4 - 8 30 to 45 minutes
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    In this activity, learners investigate how geometry plays a role in perspective. The lesson begins with a demonstration, in which learners of the same height stand side by side near the end of a...

    1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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    In this engineering activity, young learners investigate multi-level buildings. Learners observe buildings in their neighborhood and then, using simple household materials, create their own multi...

    1 cent - $1 per student Ages 4 - 6 30 to 45 minutes
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    In this water activity, learners discover ways to move water across the water table. Learners use various tools including squirt bottles, sponges, and turkey basters to move water from one...

    $5 - $10 per group Ages 4 - 6 10 to 30 minutes
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    In this design challenge activity, learners build a four-stringed instrument that can play a tune. This lesson plan includes information on sound energy and pitch and the design process, as well as...

    $1 - $5 per student Ages 8 - 14 45 to 60 minutes
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    In this water activity, learners test which objects float and which sink. Learners discover that objects behave differently in water. Learners are also introduced to the idea of "predicting...

    $5 - $10 per group Ages 4 - 6 30 to 45 minutes
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    In this invention challenge activity, learners create an indoor game for one or two people that gets you moving. This lesson guide includes instructions on how to play an “imagine new uses for old...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    This activity guide features three related explorations to help learners ages 3-6 investigate shadows via the following science concepts: A shadow is made when an object blocks the light; you can...

    $5 - $10 per group Ages 4 - 6 45 to 60 minutes
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    In this design challenge activity, learners add a jet-propulsion system (i.e. a balloon) to a blimp so it flies straight and far under its own power. This lesson guide includes links to video clips...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    In this water activity, learners build boats that float and sink. First, learners listen to the book, "Who Sank the Boat" and practice making predictions throughout the story. Then,...

    $5 - $10 per group Ages 4 - 6 45 to 60 minutes

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