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The Wonder of Science
The Wonder of Science: Ms Ess1 1: Earth Sun Moon System
Develop and use a model of the earth-sun-moon system to describe the cyclic patterns of lunar phases, eclipses of the sun and moon, and seasons.
Utah Education Network
Uen: How Big Are Earth, Sun, and Moon?
Understand where the sun is in the solar system and how big the earth, moon, and sun are.