This quiz works best with JavaScript enabled. Home > Science > Earth > Earth Science – Quiz 28 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Earth Science Quiz 28 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Tectonic plates A) A rock. B) A thick piece of crust floating on the mantle. C) A thick piece of crust underneath the mantle. D) Transform boundry. Show Answer Correct Answer: B) A thick piece of crust floating on the mantle. 2. How much Earth, s surface is covered by water? A) 75. B) 70. C) 80. D) 65. Show Answer Correct Answer: B) 70. 3. The SI base unit for mass A) Meter. B) Liter. C) Gram. D) Second. Show Answer Correct Answer: C) Gram. 4. The least amount of surface water runoff will occur when soil pore spaces are A) Saturated and the slope is steep. B) Saturated and the slope is gentle. C) Unsaturated and the slope is steep. D) Unsaturated and the slope is gentle. Show Answer Correct Answer: D) Unsaturated and the slope is gentle. 5. Which topic might an environmental scientist study? A) Energy resources. B) Mountains. C) Hurricanes. D) Comets. Show Answer Correct Answer: A) Energy resources. 6. ..... study the effects of human activities on earth's land, air, water, & living things. A) Astronomers. B) Environmental scientists. C) Meteorologists. D) Oceanographers. Show Answer Correct Answer: B) Environmental scientists. 7. Someone who studies the weather. A) Rain gauge. B) Taxonomists. C) Meterologist. D) Satellites. Show Answer Correct Answer: C) Meterologist. 8. Most of earth's freshwater is A) Solid. B) Liquid. C) Gas. D) None of above. Show Answer Correct Answer: A) Solid. 9. Science of Atmosphere. A) Meteorology. B) Cosmology. C) Universe. D) Cosmology. Show Answer Correct Answer: A) Meteorology. 10. Erosion is ..... A) Materials begin moved across the Earth's surface by water and wind. B) Materials deposited into a new location as sediment. C) Rocks and other materials being broken down both physically and chemically. D) None of above. Show Answer Correct Answer: A) Materials begin moved across the Earth's surface by water and wind. 11. As the mass of an object ....., it's gravitation pull ..... A) Increases, increases. B) Decreases, decreases. C) Increases, decreases. D) Decreases, increases. Show Answer Correct Answer: A) Increases, increases. 12. Keelings CO2 measurements match very closely to measurements taken from A) Rocks. B) Oceans. C) Ice cores. D) Trees. Show Answer Correct Answer: C) Ice cores. 13. Why is Mars' surface red? A) Because there is oxygen in the soil. B) The soil is made out of red silicon dioxide. C) It has iron composition in its soil. D) Oxygen and iron combines to make rust in the soil. Show Answer Correct Answer: C) It has iron composition in its soil. 14. A scientific ..... is a statement that describes what always happens under certain conditions in nature. A) Law. B) Theory. C) Method. D) Variable. Show Answer Correct Answer: A) Law. 15. What physical property of soil determines if it retains water? A) Color. B) Particle size. C) Texture. D) Weight. Show Answer Correct Answer: B) Particle size. 16. What is the study of Earth's atmosphere and weather? A) Geology. B) Oceanography. C) Meteorology. D) None of above. Show Answer Correct Answer: C) Meteorology. 17. What would happen to the climate if Earth took in more energy than it released? A) The climate would get cooler. B) The climate would get cooler, then warmer. C) The climate would get warmer. D) The climate would not change. Show Answer Correct Answer: C) The climate would get warmer. 18. Harry Hess called his discovery ..... A) Plate tectonics. B) Sea floor spreading. C) Subduction. D) Volcanism. Show Answer Correct Answer: B) Sea floor spreading. 19. A kind of seismic waves that travels only on the Earths crust which has a lower frequency. A) Surface wave. B) Body wave. C) Love wave. D) Rayleigh wave. Show Answer Correct Answer: A) Surface wave. 20. Which of these is the BEST example of physical weathering? A) Insects eating a dead tree. B) A bulldozer pushing soil. C) Ice fracturing a stone. D) Acid rain dissolving limestone. Show Answer Correct Answer: C) Ice fracturing a stone. ← PreviousNext →Related QuizzesScience 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books