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Showing results 1 to 11 of 11
  What's the Difference?
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  In this sorting activity, learners play a game in which they try to identify the largest number of differences between two objects.
  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.
   
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.
  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.
   
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.
   
Count Around
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  Learners explore their surroundings while reasoning about categories and counting.
   
Color Spy
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  In this activity (16th on the page), learners play a variation of the "I Spy" game to explore color. Learners work in teams with each team assigned a color.
   
Two Sets!
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  In this card game, learners make two sets of three cards that are alike. Learners must justify to the rest of the players why the three cards belong in each set.
   
Guess My Rule
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  In this activity, learners play a guessing game to explore classification.
   
Symbol Search
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  In this environmental activity (page 6 of the PDF), learners identify household products that are recyclable and explore the different types of recyclable plastics.
  