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Morning Star and Evening Star
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This demonstration activity models how Venus appears from Earth.
Make a Terrarium
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In this activity, learners make a miniature greenhouse or "terrarium" to explore the greenhouse effect.
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.
Modeling the Night Sky
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In this two-part activity, learners explore the Earth and Sun's positions in relation to the constellations of the ecliptic with a small model.
The Thousand-Yard Model
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This is a classic exercise for visualizing the scale of the Solar System.