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Plankton Feeding
Source Institutions
This activity provides a hands-on experience with a scale model, a relatively high viscosity fluid, and feeding behaviors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-707.jpg?itok=KE2PHeFp)
Earth Walk
Source Institutions
In this hands-on and feet-on excursion, learners take a science walk to visualize the planet's immense size and numerous structures, without the usual scale and ratio dimensions found in most textbook
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-699.gif?itok=FKg-JqFK)
Personal Time Line
Source Institutions
In this activity, learners work in groups to create a time line representing significant moments in their lives.
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Atmosphere Composition Model
Source Institutions
In this activity, learners create a model using metric measuring tapes and atmosphere composition data.
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What am I?
Source Institutions
In this activity, learners examine nanoscale structures of common things.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-512.jpg?itok=ejj0tJ9P)
Exploring Size: StretchAbility
Source Institutions
In this game, learners explore the different sizes of things in the world. In this Twister-like game, learners must place a hand or foot on a circle of the right scale - macro, micro, or nano.