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Salt Water Revival
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In this outdoor activity, learners visit the intertidal zone of a rocky coastal site well populated with marine organisms.

Sawing Away
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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.

Logs to Soil
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In this outdoor activity, learners cut through and investigate rotten logs and then make log-profile puzzles for each other.

Exploring Fabrication: Self-Assembly
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In this activity, learners participate in several full-body interactive games to model the process of self-assembly in nature and nanotechnology.

Scram or Freeze
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In this outdoor activity and animal-role-play game, learners discover and uncover the hidden world of "cryptozoa"—organisms such as spiders, salamanders and slugs that live under objects, like rocks a

Great Steamboat Race
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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.

Bouncing Balls
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When baseball was in its infancy, the ball had plenty of bounce. Today's baseball may not seem to have bounce to it at all; if you drop a ball on the field it won't bounce back.

Creating a Local Field Guide
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In this activity, learners survey living organisms near where they live or go to school, and create a local field guide.

Exploring Size: StretchAbility
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In this game, learners explore the different sizes of things in the world. In this Twister-like game, learners must place a hand or foot on a circle of the right scale - macro, micro, or nano.

Circulatory System Skit: Act out the Flow of Blood
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In this activity, learners act out the flow of blood in the human body! A great way to get learners up and moving while learning about the circulatory system.

Trail Construction
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In this highly physical outdoor activity, learners construct and compare experimental trail sections to select the best trail-construction technique for their site.

For the Birds
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In this outdoor activity, learners turn the fun of feeding wild birds into an investigation of bird behavior.

Sand Dunes
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This outdoor activity (on page 2 of the PDF under SciGirls Activity: Sand Dunes) is a full inquiry investigation into how the amount of moisture in a sand dune relates to the number of plants growing

Traveling Networks
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In this geometry activity, learners explore networks painted on playgrounds, such as a four square court, and draw their own.

Quick Frozen Critters
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In this activity, learners play an active version of freeze tag based on predator/prey relationships.

Good Stress
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In this activity about physical stress (page 28 of PDF), learners discover that muscles and bones need to work to stay strong.

Catch Your Breath: Build a Spirometer and Measure your Lung Capacity
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In this activity, learners will measure their lung capacity by making their own spirometer. Learners will then explore factors that affect the amount of air the lungs can hold.

Changing Shadows
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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.

Jump to Jupiter
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In this activity, learners help create and then navigate an outdoor course of the traditional "planets" (including dwarf planet Pluto), which are represented by small common objects.

Zoo Calendar
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Use the Zoo Calendar (page 1 of PDF) to involve learners in interdisciplinary, whole language, and writing activities about ecological concepts.