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

In this activity, learners experiment with shadows and light sources to understand the relationship between the angle illumination and the shadow's length.

This demonstration activity models how Venus appears from Earth.

In this activity, learners use a simple 3D model to discover why the Moon has phases.

In this activity, learners make flipbooks of drawings showing the progression of a Total Solar Eclipse.

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 activity, learners use an astrolabe to measure the altitude of objects. Learners will first practice taking measurements by measuring the altitude of trees and buildings.

In this activity, learners explore the relative size of the Sun and Earth as well as the distance between them.

In this activity, learners build a simple pinhole viewer. They use this apparatus to project images from a variety of light sources, including a candle, the Sun, and the Moon.

In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.

In this activity, learners investigate the concepts of relative size and distance by creating a basic model of the solar system.

In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.

In this activity, learners will measure the length of their shadow from the Sun and compare it three to four months later.

This is a classic exercise for visualizing the scale of the Solar System.

In this activity, learners observe the moon each night for a month and draw their observations in a Moon Watch Log.

In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light.

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.