Test
Astro 1010 Test 3 Spring
Name __________________________________________________ Section _____________
1. The Kupier belt lies primarily a. between the orbit of Mars and Jupiter b. in a very elliptical orbit very far from the sun c. closer than the frost line d. between the orbit of Jupiter and Neptune e. beyond the orbit of Neptune
2. The reason why the individual particles within Saturn’s rings have not combined together by mutual gravitational attraction to from one or two moons is because a. the excess heating from Saturn has heated the rocks and ice to the point where they will not stick together. b. the gravitational force from the Sun is sufficient to prevent coalescence c. they are moving to fast to stick together, even if they bump into one another d. tidal distortion forces from the planet are greater that the mutual gravity between the particles e. the ring are made of ices and ices will not stick together because it is slick
3. What is Jupiter’s main ingredient? a. rock and metal b. hydrogen compounds c. iron d. hydrogen and helium e. none of the above
4. Which planet has the lowest density? a. Venus b. Jupiter c. Saturn d. Pluto e. the Sun
5. Which planet is not terrestrial or jovian? a. Venus b. Earth c. Uranus d. Pluto e. Kanye
6. Compare Terrestrial planets and Jovian planets. a. Terrestrial planets have longer orbital periods and more gas. b. Jovian planets have longer orbital periods and more gas c. Terrestrial planets have shorter orbital periods and more gas d. Jovian planets have shorter orbital periods and more gas e. Jovian planets have about the same period and more gas
7. Imagine that you find a planet around anther star similar to our sun. It is at a distance of 4 AU. We would call it a a. terrestrial planet if its mass is 90 the mass of the Earth and had a density near to that of water. b. jovian planet if its mass is 0.9 mass of the Earth and had a density near to that of water. c. jovian planet if its mass is 90 the mass of the Earth and had a density near to that of water. d. an asteroid if its mass is 90 the mass of the Earth e. terrestrial planet if its mass is 0.9 mass of the Earth and had a density near to that of water.
8. Compare Terrestrial planets and Jovian Planets a. Terrestrial planets have lower masses and densities b. Jovian planets have lower masses and densities c. Terrestrial planets have lower mass and higher densities d. Jovian planets have lower masses and higher densities e. Terrestrial planets and Jovian planets have similar densities.
9. The outer core of the Earth is mainly a. liquid iron b. liquid rock c. plastic rock d. solid iron e. solid rock
10. Where is the most likely place to find an asteroid a. near the orbit of Jupiter b. near the orbit of Earth c. between the orbits of Neptune and Pluto d. between the orbits of Earth and Mars e. between the orbits of Mars and Jupiter
11. The observation that it looks like Africa and South America would fit together is and example of a. the greenhouse effect b. water erosion c. volcanism d. plate tectonics e. a wild imagination
12. Which of the following best describes convection? a. It is the process by which rocks sink in water. b. It is the process in which warm material expands and rises while cool material contracts and falls. c. It is the process in which warm material get even warmer and cool material gets even cooler. d. It is the process in which a liquid separates according to density, such as oil and water separating in a jar. e. It is the process in which bubbles of gas move upward through a liquid.
13. Which objects usually have the most eccentric orbits? a. asteroids b. comets c. meteors d. planets e. angelfish
14. Where does the energy to power the weather come from? a. the Moon and the tides b. global warming c. the Sun d. convection in the upper mantle. e. the Energizer Bunny
15. What is the troposphere? a. the lowest layer in the atmosphere. b. the part of the atmosphere that absorbs optical light c. the part of the atmosphere that absorbs ultraviolet d. the part of the atmosphere that absorbs X- rays e. the highest layer in the atmosphere
16. Which of the following is not a product of volcanic outgasing? a. water b. molecular nitrogen c. molecular oxygen d. carbon dioxide e. sulfur dioxide.
17. About how old is the solar system? (a) 45 years (b) 4.5 thousand years (c) 4.5 million years (d) 4.5 billion years (e) 4.5 trillion years.
18. Which gas is the suspected cause of human induced global warming? a. Argon b. Carbon Dioxide c. Water Vapor d. Ozone e. Nitrogen
19. The interior structure of the earth from the inside out to the surface goes. a. crust, mantle, liquid core, solid core b. mantle, crust, solid core, liquid core c. solid core, liquid core, mantle, crust d. liquid core, solid core, mantle, crust e. mantel, liquid core, solid core, crust
20. Which type of planets formed closest to the Sun? a. Asteroids b. Jovian Planets c. Terrestrial Planets d. Plutoid Planets e. Kuiper belt Planets
21. Which moon is the largest in the solar system? a. Ganymede of Jupiter b. Titan of Saturn c. Charon of Pluto d. Sailor of Anime e. Earth’s Moon
22. If K-40 has a half life of 1.3 billion years, then a 2.6 billion year old rock sample has a. all of its original K 40 b. ½ of its original K 40 c. ¼ of its original K 40 d. 1/8 of its original K 40 e. none of its original K 40
23. Which gas from the melting of permafrost is a cause of global warming? a. Ozone b. Carbon Dioxide c. Water Vapor d. Methane e. Nitrogen
24. The inner core of the Earth is mainly a. plastic rock b. solid iron c. liquid iron d. liquid rock e. solid rock
25. From the study of how melting points change with pressure and the study of earth quakes we know that and a. The Earth’s inner core is liquid because that p-waves cannot be detected on the part of the Earth opposite an earthquake. b. The Earth’s outer core is liquid because that p-waves cannot be detected on the part of the Earth opposite an earthquake. c. The Earth’s inner core is liquid because that s-waves cannot be detected on the part of the Earth opposite an earthquake. d. The Earth’s outer core is liquid because that s-waves cannot be detected on the part of the Earth opposite an earthquake. e. The Earth is solid because that p-waves can be detected on the part of the Earth opposite an earthquake.
26. What is Earth’s main ingredient? (a) rock and metal (b) hydrogen compounds (c) hydrogen and helium (d) lanthanum and other heavy metals (e) none of the above
27. Which layer of the Earth is comprised of the lightest materials? a. Inner Core b. Outer Core c. Mantle d. Crust e. Archeon
28. The fact the we always see the same face of the Moon tells us that (a) the Moon’s rotation period is the same as its orbital period. (b) the Moon does not rotate. (c)the Moon looks the same on both sides. (d)none of the above (e)all of the above
29. The crust under the ocean is a. thinner and denser than the continental crust since its lower b. thinner and less dense than continental crust since its lower c. thicker and denser than the continental crust since its lower d. thicker and less dense than continental crust since its lower e. higher than crust under the continents
30. Which of the following best describes convection? a. It is the process by which rocks sink in water. b. It is the process in which warm material expands and rises while cool material contracts and falls. c. It is the process in which warm material get even warmer and cool material gets even cooler. d. It is the process in which a liquid separates according to density, such as oil and water separating in a jar. e. It is the process in which bubbles of gas move upward through a liquid.
31. How do comets and asteroids differ in composition and orbit? a. Asteroids are rock and metal and spend most of their time outside the orbit of Neptune. Comets are similar to a dirty snowball and spend most of their time between the orbits of Mars and Jupiter. b. Asteroids are similar to a dirty snowball and spend most of their time outside the orbit of Neptune. Comets are rock and metal and spend most of their time between the orbits of Mars and Jupiter c. Comets are rock and metal and spend most of their time outside the orbit of Neptune. Asteriods are similar to a dirty snowball and spend most of their time between the orbits of Mars and Jupiter d. Comets are similar to a dirty snowball and spend most of their time outside the orbit of Neptune. Asteroids are rock and metal and spend most of their time between the orbits of Mars and Jupiter. e. Asteroids and Comets share the same general orbits but are made of different material.
32. The crust under the ocean is a. thinner and denser than the continental crust since its lower b. thinner and less dense than continental crust since its lower c. thicker and denser than the continental crust since its lower d. thicker and less dense than continental crust since its lower e. higher than crust under the continents
33. What is the name of the rigid outer layers of a planet? a. core b. mantle c. crust d. lithosphere e. ice cap
34.Which planet has the most extensive ring system? a. Jupiter b. Saturn c. Uranus d. Neptune e. Engagement
35. List the layers of the Earth from the middle to the surface. Tell the composition of each layer. Tell if the layer is a solid, liquid, or a gas.
Identify the object in the picture:
55. The biggest object 56. I.D. The picure 57. 58. listed below is a. Saturn a. Uranus a. Uranus a. Uranus b. Mars b. Eris b. Mars b. Neptune c. Eris c. Earth c. Eris c. Saturn d. Uranus d. Venus d. Ceres d. Jupiter e. Pluto e. Ceres e. Mercury e. Pluto
59. 60. 61. 62. a. Pluto a. Earth a. Mercury a. Mercury b. Saturn b. Venus b. Mars b.Venus c. Uranus c. Mercury c. Earth c. Ceres d. Eris d. Eris d. Ceres d. Mars e. Neptune e. Mars e. Venus e. Earth
63. 64 65. 66. a. Eris a. Eris a. Uranus a. Uranus b. Mars b. Mars b. Neptune b. Jupiter c. Pluto c. Ceres c. Venus c. Pluto d. Ceres d. Pluto d. Saturn d. Saturn e. Venus e. Neptune e. Jupiter e. Neptune