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Study Guide for Chapter 1-Our Solar System Standards: S4E1 Students will compare and contrast the physical attributes of stars and planets S4E1b- Compare the similarities and differences of planets to the stars in appearance, position , and number in the sky. S4E1c- Explain why a planet can be seen in different locations at different times. S4E1d Identify how technology is used to observe distant objects in the sky S4E1d-Demonstrate the relative size and order from the sun of the planet in the solar system Lesson 1 (pages 14-21) Essential Questions you need to be able to explain How is technology used to observe distant objects in the sky? What are the main differences in optical, radio, and Hubble Space telescopes? Vocabulary Magnify-to make an object appear larger Sun-the nearest star to Earth Telescope-a tool that makes distant objects appear larger, brighter, and sharper Facts that you need to know: There are three types of telescopes: optical, radio, and the Hubble Space telescope. You need to know the differences in how each looks and how each works. Lesson 2(pages 22-29) Essential Questions you need to be able to explain How can you demonstrate the relative size and order from the sun of the planets in the solar system? Why is it that we can see certain planets, but not all planets? Why do planets take different amounts of time to orbit the sun? What is the difference between planets and moons? Vocabulary Inner planets-the four planets closest to the sun- Mercury, Venus, Earth, and Mars. Moon-a small, rounded body that orbits around a planet Orbit-to move in a path around an object Outer planets-the four planets farthest from the Sun-Jupiter, Saturn, Uranus, and Neptune Planet-a large body in space that moves around a star Solar system-the sun, planets, moons, and other objects that orbit the sun. Sun- the nearest star to Earth Facts that you need to know: You need to know the difference between the sun, a planet, and a moon. You need to know how each of the above objects move differently from each other. You need to be able to name the inner and outer planets and give characteristics of each Lesson 3(pages 30-37) Essential Questions you need to be able to explain How do scientists use space probes to explore outer space? What are the similarities and differences among the inner planets? Vocabulary Space probe-a craft that helps scientists explore outer space Facts that you need to know: You need to know how a space probe is different from a space shuttle that carries people. You need to know characteristics of each inner planet. Focus on comparing each planet to Earth as you learn about each one. Lesson 4(pages 38-48) Essential Questions you need to be able to explain What are the similarities and differences among the outer planets? How are the inner planets and outer planets similar and different? Analyze a model of the solar system. What does it show about the solar system, and what does it not show accurately? Vocabulary Gas giant-a very large planet made up mostly of gases Facts that you need to know: You need to know characteristics of each outer planet. Focus on comparing each planet to Earth as you learn about each one. You need to be able to explain why Pluto is no longer considered a planet, and how it is different from the outer planets. Chapter review and CRCT prep practice: pages 50-51