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Space Stations: Sponge Spool Spine
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In this activity, learners simulate what happens to a human spine in space by making Sponge Spool Spines (alternating sponge pieces and spools threaded on a pipe cleaner).
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Human-powered Orrery
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In this space science activity, learners work together to create a human-powered orrery to model the movements of the four inner planets.
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Why Does the Moon Have Phases?
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In this activity, learners use a simple 3D model to discover why the Moon has phases.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-798.png?itok=IKCcV01K)
Cook Up a Comet
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In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-506.jpg?itok=SYPvmUtJ)
Wetland Filter Model
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In this quick activity (located on page 2 of the PDF under GPS Wetlands Activity), learners will model how wetlands act as natural filters for the environment.
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Does the Moon Rotate?
Source Institutions
This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-202.jpg?itok=K3yt-8u8)
Balloon Bugs
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In this activity, learners make balloon models of disease-causing bacteria.