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The Beaks of the Finches
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  In this simulation, learners become birds different beak types. Learners use various tools to represent beaks to pick up seeds and place them in a petri dish.
   
Clean Water: Is It Drinkable?
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  In this activity, learners simulate nature's water filtration system by devising a system that will filter out both visible and invisible pollutants from water.
  