This quiz works best with JavaScript enabled. Home > Science > Earth Science – Quiz 43 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Earth Science Quiz 43 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which change would cause a decrease in the amount of insolation absorbed at Earth's surface? A) A decrease in cloud cover. B) A decrease in atmospheric transparency. C) An increase in the duration of daylight. D) An increase in nitrogen gas. Show Answer Correct Answer: B) A decrease in atmospheric transparency. 2. The amount of surface included within a set of boundaries (expressed in square units of length) is called A) Density. B) Volume. C) Weight. D) Area. Show Answer Correct Answer: D) Area. 3. The sun goes through natural ..... year cycles of high output and low output A) 11. B) 100. C) 121. D) 1550. Show Answer Correct Answer: A) 11. 4. Why have geologists not reached the mantle? A) It is too hot for humans to go there. B) It is too smelly for humans to go there. C) It doesn't have Wi-Fi so none of their instruments work. D) Scientists have not figured out how to time travel. Show Answer Correct Answer: A) It is too hot for humans to go there. 5. The outer core is a mixture of melted iron and. A) Rocks. B) Nickel. C) Silicon. D) Cobalt. Show Answer Correct Answer: B) Nickel. 6. Which of the following is the best way to protect a hillside from erosion? A) Cut channels into the hillside for the water to flow. B) Cover the hillside with gravel. C) Plant trees and bushes on the hillside. D) Make barriers of rocks at different points on the hillside. Show Answer Correct Answer: C) Plant trees and bushes on the hillside. 7. The geosphere would affect the atmosphere during: A) A rainstorm. B) A volcanic eruption. C) A tidal wave. D) An earthquake. Show Answer Correct Answer: B) A volcanic eruption. 8. The outer core is liquid metal while the inner core is solid due to A) Water vapor. B) Great pressure. C) A decrease in pressure. D) Being solid metal. Show Answer Correct Answer: B) Great pressure. 9. What does CMB stand for? A) Cosmic Microwave Blast Radiation. B) Cosmic Microwave Background Radiation. C) Cosmic Mars Background Radiation. D) None of above. Show Answer Correct Answer: B) Cosmic Microwave Background Radiation. 10. Which is the most massive planet? A) Mars. B) Saturn. C) Neptune. D) Jupiter. Show Answer Correct Answer: D) Jupiter. 11. ..... rocks are the most common types on the surface of the Earth. A) Metamorphic. B) Lgneous. C) Sedimentary. D) Organic. Show Answer Correct Answer: C) Sedimentary. 12. During which phase change of water is the most energy released into the environment? A) Water freezing. B) Ice melting. C) Water evaporating. D) Water vapor condensing. Show Answer Correct Answer: D) Water vapor condensing. 13. Which two phases changes takes away energy? A) Freezing, Melting. B) Condensation, Evaporation. C) Freezing, Condensation. D) Melting, Evaporation. Show Answer Correct Answer: C) Freezing, Condensation. 14. If you melt a rock/mineral and then let the magma/lava cool, you end with .....? A) Igneous rock. B) Metamorphic rock. C) Sedimentary rock. D) Chemical rock. Show Answer Correct Answer: A) Igneous rock. 15. What is the liquid layer of iron and nickel below Earth's mantle? A) Volcanic lava. B) Crust. C) Outer core. D) None of above. Show Answer Correct Answer: C) Outer core. 16. What is the name of the closest star to the earth? A) Alpha Centauri A. B) Alpha Centauri B. C) The sun. D) None of above. Show Answer Correct Answer: C) The sun. 17. Very cold climates occur at Earth's North and South Poles because the polar regions A) Are usually farthest from the Sun. B) Absorb the greatest amount of insolation. C) Receive the most hours of daylight. D) Receive low-angle insolation. Show Answer Correct Answer: D) Receive low-angle insolation. 18. A single continent made up of all of Earth's landmass long ago A) North America. B) Pangaea. C) Continental drift. D) Tectonic plates. Show Answer Correct Answer: B) Pangaea. 19. Which state of matter is the least efficient at transferring energy through conduction? A) Solid. B) Liquid. C) Gas. D) All are very similar. Show Answer Correct Answer: C) Gas. 20. Sally is measuring the mass of an apple. Which SI unit of measure would she use? A) Gram. B) Kilogram. C) Meter. D) Liter. Show Answer Correct Answer: A) Gram. ← PreviousNext →Related QuizzesEarth Science Quiz 1Earth Science Quiz 2Earth Science Quiz 3Earth Science Quiz 4Earth Science Quiz 5Earth Science Quiz 6Earth Science Quiz 7Earth Science Quiz 8Earth Science Quiz 9Earth Science Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books