This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 14 Water – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 14 Water Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Factors that not affect the rate of evaporation are: A) Humidity. B) Air movement. C) Exposed surface area. D) Surrounding temperature. E) Volume of water. Show Answer Correct Answer: E) Volume of water. 2. Snow, sleet, hail, and rain are all examples of ..... A) Evaporation. B) Condensation. C) Accumulation. D) Precipitation. Show Answer Correct Answer: D) Precipitation. 3. How much water does a human body has? A) 80%. B) 47%. C) 70%. D) None of the above. Show Answer Correct Answer: C) 70%. 4. What is a water molecule composed of? A) 1 Hydrogen atom and 2 Oxygen atoms. B) 2 Hydrogen atoms and 1 Oxygen atom. C) 3 Oxygen atoms. D) 2 Helium atoms and 1 Oxygen atom. Show Answer Correct Answer: B) 2 Hydrogen atoms and 1 Oxygen atom. 5. Boiling point of water A) 102 degree. B) 100 degree. C) 465 degree. D) None of the above. Show Answer Correct Answer: B) 100 degree. 6. A homogeneous mixture is the same thing as ..... A) A solution. B) A heterogeneous mixture. C) A compound. D) An element. Show Answer Correct Answer: A) A solution. 7. Name some water sources? A) River. B) Pond. C) Lake. D) All of these. Show Answer Correct Answer: D) All of these. 8. "Catch water where it falls" is the basic idea behind A) Recycling of water. B) Making dams to store water. C) Rain water harvesting. D) Condensation of water vapour. Show Answer Correct Answer: C) Rain water harvesting. 9. Sewage waste is a A) Solid waste. B) Municipal waste. C) Liquid waste. D) Kitchen waste. Show Answer Correct Answer: C) Liquid waste. 10. During evaporation water changes from a ..... to ..... A) Liquid, gas. B) Solid, gas. C) Liquid, solid. D) None of the above. Show Answer Correct Answer: A) Liquid, gas. 11. Floods cause extensive damage to: A) Crops. B) Property and human life. C) Domestic animals. D) All of the above. Show Answer Correct Answer: D) All of the above. 12. Are there different types of lightning? A) Yes. B) Maybe. C) No. D) I don't know. Show Answer Correct Answer: A) Yes. 13. Above 100$^\circ$C water turns to A) Liquid. B) Ice. C) Vapour. D) None of the above. Show Answer Correct Answer: C) Vapour. 14. The amount of solute actually dissolved in a given amount of solvent. A) Dilution. B) Concentration. C) Saturated solution. D) Supersaturated mixture. Show Answer Correct Answer: B) Concentration. 15. The process by which plants lose water is A) Evaporation. B) Transpiration. C) Condensation. D) Photosynthesis. Show Answer Correct Answer: B) Transpiration. 16. When is 'World Water Day' Celebrated? A) 22nd January. B) 22nd September. C) 22nd December. D) 22nd March. Show Answer Correct Answer: D) 22nd March. 17. What is the chemical formula for water? A) 2Ho. B) H2O. C) Right. D) Rights. Show Answer Correct Answer: B) H2O. 18. $_{Which of the following describes water molecules in the liquid state?}$ A) Water molecules that are not moving at all. B) Water molecules that are moving at an extremely rapid rate. C) Water molecules that are broken apart a little bit and moving slightly. D) Water molecules that are made of hydrogen and oxygen. Show Answer Correct Answer: C) Water molecules that are broken apart a little bit and moving slightly. 19. Collecting rainwater is called ..... A) Evaporation. B) Rainwater Harvesting. C) Water Cycle. D) None of the above. Show Answer Correct Answer: B) Rainwater Harvesting. 20. A process that removes salt from the ocean water. A) Desalination. B) Hydroelectricity. C) Irrigation. D) Fossil water. Show Answer Correct Answer: A) Desalination. 21. Which of these is an exampleof potable water A) Distilled water. B) Underground water. C) Sea water. D) None of the above. Show Answer Correct Answer: B) Underground water. 22. What happens when there is no rain? A) Drought. B) Flood. C) All the above. D) None of the above. Show Answer Correct Answer: A) Drought. 23. How much water do we use daily A) 5 to 12 liters. B) 50 to 100 liters. C) 40 to 180 liters. D) 100 to 200. Show Answer Correct Answer: B) 50 to 100 liters. 24. What is the energy source for the water cycle? A) The sun. B) The earth. C) Water. D) The moon. Show Answer Correct Answer: A) The sun. 25. What does it mean to dilute a solution? A) Lower the concentration of solute per solvent. B) Increase the concentration of solute per solvent. C) All the above. D) None of the above. Show Answer Correct Answer: A) Lower the concentration of solute per solvent. 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