This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 3 Our Changing Earth – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 3 Our Changing Earth Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Sudden movement of earth is called A) Volcanic erruption. B) Delta formation. C) Sea cliff formation. D) Earthquake. Show Answer Correct Answer: D) Earthquake. 2. Waterfalls are formed by the action of ..... A) Winds. B) Rivers. C) Waves. D) None of the above. Show Answer Correct Answer: B) Rivers. 3. What do people reuse to make art? A) Storm. B) Bottles. C) Earthquakes. D) None of the above. Show Answer Correct Answer: B) Bottles. 4. As we ..... the layers of atmosphere, the pressure ..... A) Go up, falls. B) Go down, falls. C) All the above. D) None of the above. Show Answer Correct Answer: A) Go up, falls. 5. Which type of forces cause the earth's surface to change over time? A) Geothermal forces. B) Wind forces. C) Solar forces. D) Exogenic forces. Show Answer Correct Answer: D) Exogenic forces. 6. Which layer of Earth is the thinnest? A) Crust. B) Mantle. C) Inner Core. D) Outer Core. Show Answer Correct Answer: A) Crust. 7. The idea that the ocean floor moves is called A) Seafloor spreading. B) Plate tectonics. C) Continental drift. D) None of the above. Show Answer Correct Answer: A) Seafloor spreading. 8. What are the slow forces? A) Building of Mountains. B) Landslide. C) Volcano. D) All of the above. Show Answer Correct Answer: A) Building of Mountains. 9. Meander is formed by: A) Waves. B) Winds. C) Glaciers. D) The River. Show Answer Correct Answer: D) The River. 10. Why do some rocks have a shape of a mushroom? A) Due to erosion by wind. B) Due to erosion by water. C) Due to volcanic activity. D) Due to earthquake. Show Answer Correct Answer: A) Due to erosion by wind. 11. The place on the surface above the focus is called the A) Vent. B) Earthquake. C) Cater. D) Epicentre. Show Answer Correct Answer: D) Epicentre. 12. When lava cools, what kind of rock is formed? A) Metamorphic Rock. B) Sedimentary Rock. C) Igneous Rock. D) Fossils. Show Answer Correct Answer: C) Igneous Rock. 13. This type of boundary forms mountains A) Convergent. B) Divergent. C) Transform. D) None of the above. Show Answer Correct Answer: A) Convergent. 14. Stacks are formed by work of A) Sea waves. B) Wind. C) Glaciers. D) River. Show Answer Correct Answer: A) Sea waves. 15. This is where plate material may be destroyed (or recycled) and returned to the mantle. A) Converge. B) Diverge. C) Transform. D) None of the above. Show Answer Correct Answer: A) Converge. 16. What are sand dunes? A) Low hill-like Structure. B) Big mountains. C) Volcano. D) Waterfall. Show Answer Correct Answer: A) Low hill-like Structure. 17. The process of magma rising from the mantle and spreading out at the ridge is called A) Trenching. B) Seafloor spreading. C) Continental drift. D) Tectonicking. Show Answer Correct Answer: B) Seafloor spreading. 18. The Earth is ..... changing. A) Usually. B) Always. C) Never. D) Sometimes. Show Answer Correct Answer: B) Always. 19. What instrument is used for measuring earthquakes? A) Thermometer. B) Barometer. C) Anemometer. D) Seismograph. Show Answer Correct Answer: D) Seismograph. 20. Irregular shaped Plates are known as A) Slap. B) God knowns, why are you asking me. C) Slabs. D) None of the above. Show Answer Correct Answer: C) Slabs. 21. Which of these is a slow change to the Earth's surface? A) An earthquake. B) Water weathering rock. C) A volcanic eruption. D) None of the above. Show Answer Correct Answer: B) Water weathering rock. 22. The processes of ..... and ..... create different landforms on the surface of the earth. A) Erosion, deposition. B) Weathering, erosion. C) Sedimentation, compaction. D) Uplift, subsidence. Show Answer Correct Answer: A) Erosion, deposition. 23. When A) Where. B) So that. C) Because. D) When. Show Answer Correct Answer: D) When. 24. Which particle size is biggest? A) Clay. B) Sand. C) Gravel. D) Silt. Show Answer Correct Answer: C) Gravel. 25. How does wind erosion typically affect the lower section of mushroom rocks in deserts? A) It erodes the upper part more. B) It causes the rock to crumble. C) It erodes the lower part more. D) It leaves the rock unaffected. Show Answer Correct Answer: C) It erodes the lower part more. ← PreviousNext →Related QuizzesClass 7 Geography Chapter 3 Our Changing Earth Quiz 1Class 7 Geography Chapter 3 Our Changing Earth Quiz 2Class 7 Geography Chapter 3 Our Changing Earth Quiz 3Class 7 Geography Chapter 3 Our Changing Earth Quiz 4Class 7 Geography Chapter 3 Our Changing Earth Quiz 5Class 7 Geography Chapter 3 Our Changing Earth Quiz 6Class 7 Geography Chapter 3 Our Changing Earth Quiz 7Class 7 Geography Chapter 3 Our Changing Earth Quiz 8Class 7 Geography Chapter 3 Our Changing Earth Quiz 9Class 7 Geography Chapter 3 Our Changing Earth Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books