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In this activity, learners explore properties of water and watch evaporation happen by "painting" with water in the sun.

$5 - $10 per group Ages 4 - 8 10 to 30 minutes
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In this outdoor water activity, learners explore evaporation by painting with water and tracing puddles. Learners will discover that wet things become dry as the water evaporates.

$1 - $5 per group Ages 4 - 6 45 to 60 minutes
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Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters.

$5 - $10 per student Ages 4 - 8 10 to 30 minutes
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In this family or group activity, learners create a nature journal by visiting a local nature center or backyard, observing creatures in their natural habitats, and sketching what they see.

1 cent - $1 per group Ages 6 - 11
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In this activity, learners will go outside and create a constellation.

free Ages 4 - 8 10 to 30 minutes
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In this outdoor activity, learners will gather natural materials outside that they think a dinosaur would want to lay its eggs in.

free Ages 4 - 11 5 to 10 minutes
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This activity introduces learners to Native Americans as people who depended upon nature in the past and continue to emphasize the importance of nature in the present.

1 cent - $1 per group Ages 4 - 11 30 to 45 minutes
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In this activity, learners design and build a simple wind vane —one of the oldest kinds of weather tools— and use it to show wind direction.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes
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In this math lesson (on Page 13), learners predict and simulate the likelihood of an event occurring.

$1 - $5 per group Ages 8 - 11 45 to 60 minutes