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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 activity, young learners go on a walk with caregivers and use their senses to observe nature with the help of scavenger hunt sheet.

free Ages 4 - 8 10 to 30 minutes
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In this activity (on page 2 of the PDF under GPS: Biodiversity Activity), learners will pair up and take a notebook outdoors to a selected location to observe and record a list of living things that t

free Ages 8 - 14 1 to 2 hours
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In this activity, learners measure the diameter of their water balloons, model an impact, measure the diameter of the “crater” area, and determine the ratio of impactor to crater.

$1 - $5 per group Ages 8 - 14 10 to 30 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 outdoor activity/field trip, learners explore the concept of population density.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this nighttime, outdoor activity, learners keep a record of what they see in the sky by drawing constellations, the Moon, and making note of the weather and conditions each day.

$1 - $5 per student Ages 8 - 14 1 to 7 days
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In this outdoor activity, learners find out the color of food that jays prefer and then try to change the birds' preference by altering the taste of the food with salt.

$10 - $20 per group Ages 8 - 14 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 outdoor activity linking human health to the environment, learners use their pulse rates as a measure of the effort expended in walking on different slopes.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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In this outdoor activity, learners saw sections from fallen trees, then count tree rings and look closely at patterns of tree growth.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this outdoor, nighttime activity, learners gather around a brightly lit, white surface and study the behavior of nocturnal animals attracted to the light, particularly night fliers.

$1 - $5 per group Ages 4 - 14 45 to 60 minutes
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This outdoor activity/field trip requires a place where minnows swim, such as a local pond or brook.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this outdoor activity, learners find, count and compare as many different kinds of animals as they can find in two different areas: a managed lawn and a weedy area.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this outdoor activity, learners construct bird feeders and set them up at to investigate bird behavior for one or two weeks. Multiple feeder designs are suggested.

$10 - $20 per group Ages 6 - 14 1 to 4 weeks
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In this activity, learners construct hand-held altitude trackers. The device is a sighting tube with a marked water level that permits measurement of the inclination of the tube.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this outdoor activity, learners become beachcombers as they walk on a sandy beach in search of evidence of life.

$1 - $5 per group Ages 4 - 14 45 to 60 minutes
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In this outdoor activity, learners compare the moisture released from different kinds of leaves and from different parts of the same leaf, by observing the color change of cobalt chloride paper.

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this outdoor activity and game, learners roundup a "herd" of hopping insects and find out how many different kinds or species are in their herd.

$10 - $20 per group Ages 8 - 14 45 to 60 minutes
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In this outdoor activity/field trip, learners conduct experiments to explore where dragonflies and damselflies perch or rest, and how the flies change behavior in reaction to other flies or fly decoys

$5 - $10 per group Ages 6 - 18 45 to 60 minutes