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In this math lesson, learners practice estimation and measurement skills as they move from station to station calculating length, volume, weight, and area.

1 cent - $1 per group Ages 8 - 11 1 to 2 hours
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In this math lesson, learners explore and investigate measurement using standard and non-standard units.

$10 - $20 per group Ages 6 - 8 1 to 2 hours
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In this math lesson (page 2 of the PDF), learners use bottles of various shapes to explore the abstract concept of rate of change.

1 cent - $1 per group Ages 14 - 18 45 to 60 minutes
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In this lab activity, learners explore how to initiate a density current. Learners measure six flasks with different concentrations of salt and water (colored blue).

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners use a compass, powerful magnet, and copper magnet wire to build a special generator known as a dynamo.

$5 - $10 per group Ages 11 - 14 45 to 60 minutes