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In this Energy and Environment activity (page 9 of the PDF), learners calculate the mass of a piece of gum, compare it to the mass of the gum's packaging, and then create a bar graph of the results.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners will create beautiful greeting cards by marbling with shaving cream and food dye. They will explore the chemistry behind the art of marbling.

$5 - $10 per group Ages 4 - adult 30 to 45 minutes
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Everybody loves bubbles, and this is the best bubble recipe ever!

$5 - $10 per group Ages 4 - 11 30 to 45 minutes
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In this physics activity, learners experiment with pulleys and find that they can decrease the effort needed when using a pulley to lift or move different loads.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes
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In this physics activity, learners experiment with the attractive and repulsive power of magnets.

$5 - $10 per group Ages 4 - 11 30 to 45 minutes