This quiz works best with JavaScript enabled. Home > Science > Earth Science – Quiz 47 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Earth Science Quiz 47 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An expression of the amount of imprecision or variation in a set of measurements A) Error. B) Percentage. C) Accuracy. D) None of above. Show Answer Correct Answer: A) Error. 2. What is an effect of deforestation? A) Decrease in biodiversity. B) Decrease in rainwater runoff. C) Decrease in carbon dioxide in the atmosphere. D) Decrease in the amount of water on Earth. Show Answer Correct Answer: A) Decrease in biodiversity. 3. What do we call a cloud that forms right on the surface of the Earth? A) Cirrus. B) Altostratus. C) Cumulus. D) Fog. Show Answer Correct Answer: D) Fog. 4. What two specific continents fit together most noticeably? A) Africa and North America. B) South America and Europe. C) South America and Africa. D) Antartica and Africa. Show Answer Correct Answer: C) South America and Africa. 5. Which of the following causes erosion? A) Water. B) Thunder. C) Limestone. D) Sunlight. Show Answer Correct Answer: A) Water. 6. The study of the physical, chemical and biological processes that take place on the Earth. A) Life Science. B) Environmental Science. C) Physical Science. D) None of above. Show Answer Correct Answer: B) Environmental Science. 7. A large unimaginable gas, stars, dust clouds and consists of planets and galaxy. A) Earth Science. B) Universe. C) Cosmology. D) Oceanography. Show Answer Correct Answer: B) Universe. 8. Which of the following is NOT a type of galaxy from our notes? A) Obtuse galaxy. B) Spiral galaxy. C) Elliptical galaxy. D) Irregular galaxy. Show Answer Correct Answer: A) Obtuse galaxy. 9. Coal is formed from the remains of plants in swampy areas. A) Astronomy. B) Meteorology. C) Astronomy. D) Geology. Show Answer Correct Answer: D) Geology. 10. Which is the variable that responds to the change that the scientist made? A) Dependent. B) Control. C) Independent. D) Constant. Show Answer Correct Answer: A) Dependent. 11. The Earth is about ..... yeras old. A) 50.6 million years. B) 4.5 billion years old. C) 4.5 million years old. D) 4.5 trillion years old. Show Answer Correct Answer: B) 4.5 billion years old. 12. The diagram represents an aneroid barometer that shows the air pressure, in inches of mercury. When converted to millibars, the air pressure shown is equal to A) 1009.0 mb. B) 1012.5 mb. C) 1015.5 mb. D) 1029.9 mb. Show Answer Correct Answer: B) 1012.5 mb. 13. Most clouds form in the atmosphere when moistair A) Rises, expands and cools to the dewpoint. B) Rises, expands, and warms to the dewpoint. C) Sinks, compresses and cools to the dewpoint. D) Sinks, compresses and warms to the dew point. Show Answer Correct Answer: A) Rises, expands and cools to the dewpoint. 14. Represent the speed of light, 300, 000, 000 meters per second, using scientific notation. A) 3.0 x 108. B) 3.0 x 10-8. C) 0.3 x 107. D) 3.0 x 109. Show Answer Correct Answer: A) 3.0 x 108. 15. The movement of sediment from one location to another is A) Weathering. B) Deposition. C) Erosion. D) Current. Show Answer Correct Answer: C) Erosion. 16. The process by which igneous rocks are formed ..... A) Heat and pressure. B) Melting and cooling. C) Weathering and erosion. D) None of above. Show Answer Correct Answer: B) Melting and cooling. 17. What is the MAIN way rocks are classified? A) Their color and shapes. B) How they form. C) Mineral bands. D) Where they form. Show Answer Correct Answer: B) How they form. 18. Fresh water is about ..... A) 97%. B) 3%. C) 71%. D) None of above. Show Answer Correct Answer: B) 3%. 19. Oceans occupy what percent of earth's water? A) 65%. B) 71%. C) 80%. D) 98%. Show Answer Correct Answer: B) 71%. 20. An area with relatively high temperature as compares to its surroundings. A) Volcano. B) Mid-ocean ridge. C) Fault line. D) Hotspot. Show Answer Correct Answer: D) Hotspot. ← 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