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Showing results 21 to 30 of 30
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Generations of Traits
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In this hands-on activity, learners track and record the passage of colored "pompom traits" through three generations of gingerbread people.
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Can Nutrients in Water Cause Harm?
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In this water pollution activity, learners create pond water cultures and investigate the effects of adding chemicals or natural nutrients.
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Carbon Cycle Roleplay
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In this creative roleplay activity, learners will explore the various processes of the carbon cycle using movement and props to aid in comprehension.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-479.png?itok=6xbE7X0v)
Walk On Water Bugs
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In this activity (on pages 29-35), learners examine water pollution and filtration.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-681.jpg?itok=cBJEouSB)
Estimation
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In this online activity, learners will explore size estimation in one, two and three dimensions. Multiple levels of difficulty allow for progressive skill improvement.
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Tracking Otters
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This activity (on pages 38-43) has learners simulate the way scientists track and map the movement of otters in the wild using radio trackers.
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Print Hints
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In this physical sciences activity, learners explore how forensic investigators collect prints from a crime scene. Learners make hand impressions in damp sand and analyze the patterns they observe.
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Speedy Shelter
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In this design challenge activity, learners invent an emergency shelter that can fit a person and is sturdy and quick to build.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-504.jpg?itok=Y5Tl3vy0)
Exploring Size: Ball Sorter
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In this activity, learners use sieves with different-sized holes to sort balls by size.
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Place Matters: How Sound Changes Due to Environment
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This is an online simulation of how sound changes due to environment. How does place--like a cave, a pier, or a forest--affect certain sounds?