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In this activity, learners keep track of how much paper the group uses in a week. Build awareness of paper waste, while strengthening measurement and estimation skills.

free Ages 4 - 14 5 to 10 minutes
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In this "Sid the Science Kid" activity from Episode 107: My Shrinking Shoes, learners observe how plants change as they grow.

$5 - $10 per group Ages 4 - 6 1 to 4 weeks
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In this activity, learners will be working with predictions with a time frame of one week, or longer. Start by planting seedlings.

$1 - $5 per group Ages 4 - 14 1 to 4 weeks
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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

free Ages 4 - adult 10 to 30 minutes
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In this activity, learners will construct a measuring device (snake "string") to improve their observation skills.

$1 - $5 per student Ages 4 - 14 5 to 10 minutes