1. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Fix Astronomy Chapter 12

2. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Question 1 What is Jupiter's Great Red Spot? A. The place where red particles from Io impact Jupiter's surface. B. A hurricane that comes and goes on Jupiter. C. A large mountain peak that pokes up above the clouds. D. A long-lived storm. E. The place where Jupiter's aurora is most visible.

3. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Question 2 Both Jupiter and Saturn emit energy in the radio band portion of the electromagnetic spectrum. A. True B. False

4. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Question 3 Models of the larger Jovian Planets postulate the presence of the large amounts of metallic hydrogen, which is an exotic form with a semi-rigid crystal structure. A. True B. False

5. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Question 4 What is the Cassini division of Saturn's rings? A. A dark ring, visible from Earth, composed of carbon and dust particles. B. A large gap, visible from Earth, produced by gravitational resonances. C. The imaginary circle marking the halfway point of Saturn's rings. D. The widest ring of Saturn, made of highly reflective ice particles. E. The most opaque ring of Saturn, made of highly reflective ice particles.

6. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Question 5 Jupiter possesses a relatively weak magnetic field. A. True B. False

7. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Question 6 Does Jupiter have rings? A. Yes B. No

8. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Question 7 The densities of Jupiter and Saturn are ________________ than the densities of the terrestrial (Earth-like) planets. A. smaller B. larger C. same

9. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Question 8 The rings of Saturn are located outside its Roche distance. A. True B. False

10. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Question 9 Saturn has low enough density to float on liquid water. A. True B. False

11. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Question 10 The equatorial diameter of Jupiter is about 6% larger than the polar diameter of Jupiter. Why? A. Jupiter rotates quickly. B. Jupiter is distorted by tides due to its satellites. C. Beneath the clouds, Jupiter has many equatorial mountain ranges. D. Solar tides have distorted Jupiter.

12. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Question 11 The inner parts of Saturn's rings orbit at a faster speed than the outer parts of the rings. What does this tell us about the rings? A. The rings are made of solid sheets of material. B. Gravity is not the force that holds the rings in orbit about Saturn. C. The rings are made of a myriad of independently orbiting particles. D. The rings orbit in the direction opposite the rotation of Saturn.

13. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Question 12 What would happen to an asteroid that came within the Roche limit of a planet? A. It would be ejected at twice the speed it originally had. B. It would be destroyed by tides. C. It would be captured and become a satellite. D. It would be burned up in the atmosphere of the planet.

14. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. 1. D2. A3. A4. B 5. B6. A7. A8. B 9. A10. A11. C12. B