Guiding Questions 1. What star is the closest to Earth? 2. Why is the Sun important to Earth? In this diagram of our Solar System (below) we see only a small part of the Sun. Do you know why? This is because the real size of the sun, at the scale, is too large to fit in the diagram. Compare the size of Earth to the Sun in this diagram. Wow! Earth is small! Our planet, Earth, is not really as close to the Sun as it appears in the diagram. However, Earth is much closer to the Sun than the outer planets are, Jupiter, Saturn, Uranus, and Neptune. If a planet is closer to the Sun than Earth, how will life on that planet be different from Earth? Diagram of the Solar System (sizes of planets are to scale, but not distances from the Sun) By WP - Planets2008.jpg, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=45708230 Activity
Standards For This Lesson 5-PS3-1. Use models to describe that energy in animals’ food (used for body repair, growth, motion, and to maintain body warmth) was once energy from the sun. 6.MS-ESS1-15(MA) Use graphical displays to illustrate that Earth and its solar system are one of many in the Milky Way galaxy, which is one of billions of galaxies in the universe. 8.MS-ESS1-1b Develop and use a model of the Earth-Sun system to explain the cyclical pattern of seasons, which includes Earth's tilt and differential intensity of sunlight on different areas of Earth across the year. Additional Resources
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