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In this outdoor activity, learners use a mapping technique to become oriented to the major features of an outdoor site.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this outdoor activity and observation game, learners hunt for a variety of textures, colors, odors and evidence of organisms in the activity site.

$5 - $10 per group Ages 4 - adult 30 to 45 minutes
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In this three-part activity, learners use food to determine the effects of wind, sandblasting and water on regolith (dust) formation and deposition on Earth.

$1 - $5 per student Ages 8 - 18 45 to 60 minutes
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In this sunny day, outdoor activity, learners observe changes in shadows over time. The activity also helps to develop a sense of the Earth's motion.

$1 - $5 per group Ages 4 - 18 45 to 60 minutes
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In this outdoor activity, learners search for lichen, a combination of a fungus and an alga living together. Lichen grow where most other plants cannot, on rocks, the trunks of trees, logs and sand.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners make pykrete by freezing a mixture of water and a material like cotton wool, grass, hair, shredded paper, wood chips, or sawdust.

1 cent - $1 per student Ages 4 - adult 4 to 24 hours
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Lakes, streams and other freshwater bodies are a habitat for lots of living things, big and small.

$10 - $20 per group Ages 8 - adult 10 to 30 minutes
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Some aquatic organisms live in open water, while some live in soil at the bottom of a body of water.

$1 - $5 per group Ages 6 - adult 30 to 45 minutes
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Millions of organisms can live in and around a body of water.

1 cent - $1 per student Ages 8 - adult 45 to 60 minutes
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In this outdoor, ocean-side activity, learners investigate the distribution of organisms in the upper region of the intertidal zone.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this outdoor activity, learners visit the intertidal zone of a rocky coastal site well populated with marine organisms.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore how engineers design devices that can detect the presence of pollutants in the air.

$10 - $20 per group Ages 8 - 18 1 to 7 days
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In this two-part outdoor activity, learners conduct a population census of squirting clams on a beach or mudflat, and investigate the clams' natural history.

$5 - $10 per group Ages 8 - adult 1 to 2 hours
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In this outdoor activity, learners race small boats, made of cork, balsa wood, popsicle sticks etc., to investigate the rate and direction of currents in a stream or creek.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this outdoor activity, learners explore UV rays from the Sun and ways to protect against these potentially harmful rays.

$10 - $20 per group Ages 4 - 18 10 to 30 minutes
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In this outdoor activity, learners investigate the relationship between the slope of a trail and soil erosion.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this outdoor activity, learners search for the warmest and coolest, windiest and calmest, wettest and driest, and brightest and darkest spots in an area.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this outdoor activity, learners go "can fishing" and discover the kinds of aquatic organisms that live in and on submerged cans.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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How do scientists measure how clear or murky water in a lake is? How does water clarity (clearness) affect what lives in the lake?

$10 - $20 per group Ages 8 - adult 10 to 30 minutes
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In this outdoor activity/field trip, learners investigate organisms that live along the ocean's rocky coast.

$10 - $20 per group Ages 8 - adult 1 to 12 months