Astronomy+Quiz+Page+58+and+59

Marisa Miladinovic Room: 205 Science

__//**Page: 58 & 59 (1-6,7-9,10-17, and 22)**//__

//( 1 through 6 Hard -- Just Guessing )// 1. A **Rotation** and **Revolution** means a turning or rotating as on an axis. 2. A **Ellipse** and a **Circle** means a plane that is not parallel to the axis. 3. A **Solar System** means the sun together with all the planets and other bodies that revolve around it, and a **Solar Nebula** means the rotating flattened cloud of gas and dust from which the sun and the rest of the bodies in the solar system formed, about 4.56 × 109 years ago. 4. **Planetesimal** means one of the small celestial bodies that, according to one theory were fused together to form the planets of the solar system and **Planet** means any of the nine large heavenly bodies revolving about the sun and shining by reflected light. 5. **Temperature** and **Pressure** means a measure of a surface by an object in contact with it. 6. **Photosphere** means the luminous visible surface of the sun, being a shallow layer of strongly ionized gases and **Corona** means a white or colored circle or set of concentric circles of light seen around a luminous body, esp. around the sun or moon.

7. It takes millions of years for light energy to travel through the sun's //radiative zone.// 8. //Revolution// of the Earth causes night and day. 9. Convection in Earth's mantle causes //nuclear fusion.//

10. Impacts in the early solar system (B) Released Energy. 11. Which type of planet will have a higher overall density? (B) one that forms far from the sun 12. Which process releases the most energy? (B) burning 13. Which of the following planets has the shortest period of revolution? (D) Jupiter 14. Which gas in Earth's atmosphere tells us that there is life on Earth? (B) oxygen 15. Which layer of the Earth has the lowest density? (A) the core 16. What is the term for the speed of gas molecules? (D) force 17. Which of the following objects is the least likely to have a spherical shape? (C) the sun

22. ?