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    Lawrence Hall of Science
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    In this activity, learners make their own solar oven to bake s'mores and learn about how solar energy is absorbed on Earth. Learners investigate how simple material choices in their pizza box...

    $5 - $10 per group Ages 8 - adult 30 to 45 minutes
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    The Exploratorium
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    This is an activity to do when there is a solar eclipse! Eclipses do not happen frequently, but when one does, learners will be excited to discover that they can view the eclipse using a pinhole...

    1 cent - $1 per group Ages 8 - adult 1 to 2 hours
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    Lawrence Hall of Science
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    In this activity, learners make their own pinhole viewer in order to measure the size of the sun. After using the viewer to project circular image of the Sun on paper, learners use ratios and an...

    $1 - $5 per group Ages 8 - adult 10 to 30 minutes
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    NISE Network
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    In this demonstration, learners discover that nanoparticles behave differently, in part because they have a high surface area to volume ratio. Learners learn that smaller particles have a much...

    Over $20 per group Ages 6 - adult 10 to 30 minutes