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In this activity (pages 17-31), learners are introduced to techniques that are used to determine the structures of solid materials.

$5 - $10 per group Ages 14 - adult 1 to 2 hours
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In this four-part activity, learners explore light and sound through a variety of hands-on investigations.

$5 - $10 per group Ages 8 - 14 1 to 2 hours