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What's So Special about Water: Absorption
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In this activity about water's cohesive and adhesive properties and why water molecules are attracted to each other, learners test if objects repel or absorb water.
River Catcher
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In this activity (located at the top of the page), learners make an easy river strainer and see what they can catch.
Shoe Dichotomous Key
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In this activity (on page 2 of the PDF under GPS: Cactus Activity), learners will develop their own version of a tool used by biologists, a dichotomous key, by collecting all their left shoes.
Trash Talkin'
In this activity, learners collect, categorize, weigh and analyze classroom trash and discuss ways that engineers have helped to reduce solid waste.
Guess My Rule
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In this activity, learners play a guessing game to explore classification.
Count Around
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Learners explore their surroundings while reasoning about categories and counting.
North American Endangered Amphibians Card Game
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In this activity, learners can play two card games related to endangered species, specifically North American amphibians.