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    In this activity, learners build penetrometers to test leaf toughness. Biologists measure leaf toughness to study the feeding preferences of insects and bugs.

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    In this physical sciences activity, learners explore how passive solar design increases energy efficiency. Learners test paperboard models of different building designs to discover how the design...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    In this ocean engineering activity, learners explore buoyancy and water displacement. Then, learners design models of deep sea divers that are neutrally buoyant.

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    In this engineering activity, learners design their own board games. Learners brainstorm the various components of board games, conduct research using well-known games, and then design and...

    $1 - $5 per group Ages 8 - 14 2 to 4 hours