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In this math-based activity, learners model the intensity of light at various distances from a light source, and understand how astronomers measure the amount of sunlight that hits our planet and othe

$1 - $5 per group Ages 11 - adult 45 to 60 minutes
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In this activity, learners design a scientific exploration mission to a planet or moon of their choice.

1 cent - $1 per group Ages 11 - adult 1 to 2 hours