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Modeling Limits to Cell Size
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This investigation provides learners with a hands-on activity that simulates the changing relationship of surface areas-to-volume for a growing cell.
Plankton Feeding
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This activity provides a hands-on experience with a scale model, a relatively high viscosity fluid, and feeding behaviors.
Gummy Growth
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In this activity related to Archimedes' Principle, learners use water displacement to compare the volume of an expanded gummy bear with a gummy bear in its original condition.
Atmosphere Composition Model
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In this activity, learners create a model using metric measuring tapes and atmosphere composition data.
Coffee to Carbon
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In this activity, learners place cards featuring biological structures in order by their relative size from largest to smallest.
Size Wheel
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In this fun sticker activity, learners will create a size wheel with images of objects of different size, from macroscopic scale (like an ant) to nanoscale (like DNA).
Exploring Size: Scented Solutions
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This is an activity in which learners will find that they can detect differences in concentration better with their nose (smelling) than with their eyes (seeing).