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Pollinator Play
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In this activity, learners will build a bee hotel for pollinators. Learners will explore building and ecology through this activity.

Make a Friend from Soil and Seeds
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Learners assemble a figure from a nylon stocking or sock stuffed with soil and seeds. The ends of the nylons inside the jar absorb water, which feeds the grass seeds.

Cactus Wheel
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In this outdoor activity/field trip, learners explore the concept of population density.

Going Green
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In this activity, learners conduct a waste audit and use their findings to implement a plan for reducing trash.

Match Rock
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In this activity, learners try to figure out who has their matching rock type by reading a description of their rock (no talking!).

DIY Weather Vane
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In this activity, learners will engineer their own weather vane. This activity includes step-by-step instructions with pictures and a "What's Happening?" section explaining how the activity worked.

Population Game
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In this outdoor game, learners simulate a herd of deer trying to survive in an area called the "home range." Learners explore the concept of "carrying capacity"—what size population of an organism can

Bird Feeder
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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.

Coral Polyp
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In this activity, learners will create their own coral polyps - the basis for a coral reef.

The Squeeze Box
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In this geology activity learners build a "squeeze box," which allows them to compress layers of sediment. This is a great way to investigate folding and faulting in the Earth.

Beach Zonation
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In this outdoor, ocean-side activity, learners investigate the distribution of organisms in the upper region of the intertidal zone.

Shadow Play
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In this three part activity, learners explore and experiment with shadows to learn about the Sun's relative motion in the sky.

Which Parachute
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In this activity, learners will engineer three different parachutes to test how well each one works.

What's the Difference between Weather and Climate?
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In this interactive and informative group activity, learners use packages of M&M's to illustrate the difference between weather and climate.

Detectives de arena
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¡En esta tira cómica, Mateo y Cientina son detectives! Ellos usan sus destrezas investigativas para identificar de dónde provinieron algunas muestras de arena.

Bird Nests
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In this outdoor activity, learners build bird nests and place them in the activity area, then play the role of naturalists as they try to locate each other's nests.

Wetland Filter Model
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In this quick activity (located on page 2 of the PDF under GPS Wetlands Activity), learners will model how wetlands act as natural filters for the environment.

Mini Glacier Meltdown
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This activity (located on page 3 of the PDF under GPS: Glaciers Activity) is a full inquiry investigation about the different causes of glacial melt.

Shower Estimation
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In this activity, learners calculate their water usage (in cups and galloons) during an average shower. Learners also chart and analyze water usage during showers in their households.

Moving Model Glacier
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In this goopy activity (page 2 of PDF under GPS: Glaciers Activity), learners will model glacial movement with “gak,” a white glue and liquid starch mixture.