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Solar System Study Guide

Solar System Study Guide. Ch. 20. How is the solar system arranged? What do we call that model ?. It is arranged with the sun in the center and all the planets revolving around it. SUN CENTERED CALLED HELIOCENTRIC MODEL. Inner Layer. Nuclear Fusion Creates Energy.

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Solar System Study Guide

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  1. Solar System Study Guide Ch. 20

  2. How is the solar system arranged? What do we call that model? • It is arranged with the sun in the center and all the planets revolving around it. • SUN CENTERED • CALLED HELIOCENTRIC MODEL

  3. Inner Layer Nuclear Fusion Creates Energy So dense it takes 100,000 yrs to get through Radiation Zone Outer Layer Convection Zone

  4. How do convection currents work in the convection zone? • Hot gases rise up from the radiation zone towards the surface, • Then they cool and the cool gases sink back toward the radiation zone

  5. Inner Layer Gives off LIGHT Middle Layer Beginning and end of eclipse Chromosphere Crown that extends into space During total eclipse Corona

  6. Dark area that are cooler than other areas Prominence Eruptions on the sun’s surface Magnetic storms, auroras AURORAS Solar Wind

  7. What are the inner planets in order? • Mercury • Venus • Earth • Mars

  8. What are characteristics of the inner planets? • Terrestrial • Small and dense • Rocky surface • Close to the sun • Few or no moons • No Rings

  9. Why is earth unique in our solar system? • Earth is the only planet with liquid water and LIFE

  10. What are the outer planets in order? • Jupiter • Saturn • Uranus • Neptune

  11. What are characteristics of the OUTER planets? • Gas Giants • Very large • Made of gas (Gaseous) • No Solid Surface • Many Moons • Rings

  12. Is Pluto more similar to Saturn or Earth? Why? • Pluto is more similar to Earth because it is small, dense, solid, has few moons and no rings.

  13. Do bigger or smaller planets have more moons? Why? • Bigger planets have more moons because they have a stronger gravity

  14. What are comets made of? • loose collection of ice, dust, and small rocky particles whose orbit is long and narrow ellipses.

  15. What is the difference between a meteoroid, meteor, and a meteorite? They all start as a chunk of rock or dust In Space Floating In Earth’s Atmosphere Burning up and making a streak of light On Earth’s Surface Hit Earth’s Surface

  16. Where are most asteroids found? • Asteroid belt (between Mars & Jupiter)

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