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In this activity, learners make "solar cookies," edible models of the Sun's outer layers using sugar cookies and toppings.

This demonstration activity models how Venus appears from Earth.

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.

In this sunny day, outdoor activity, learners observe changes in shadows over time. The activity also helps to develop a sense of the Earth's motion.

In this activity, learners explore how distance can affect the way we perceive the size of an object.