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Water Science

Questions covering properties of water, water cycle, purification methods, groundwater systems, and states of matter related to water. Suitable for science Olympiad preparation.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following statements is/are true about water, ice and steam?

  1. All of them have mass.
  2. All of them have definite shape.
  3. All of them have definite volume.
  4. All of them can be seen.
  5. All of the above
Question 2 Multiple Choice (Single Answer)

Select the odd one out.

  1. Sedimentation and Decantation
  2. Boiling
  3. Infiltration
  4. Filtration
  5. Distillation
Question 3 Multiple Choice (Single Answer)

Which of the following statements is not true?

  1. Directly collected rain water has no impurities.
  2. Same amount of rain water falls in different places at same time.
  3. Sea water is unfit for agriculture.
  4. Ice is solid form of water.
  5. Distillation is a method of purification of water.
Question 4 Multiple Choice (Single Answer)

Which of the following is the odd one out?

  1. Aquifer
  2. Water table
  3. Ground water
  4. Sleet
  5. Well
Question 5 Multiple Choice (Single Answer)

The water collected in reservoirs is sent to water treatment plants before it reaches our home. Why?

  1. For more evaporation
  2. For purification
  3. For boiling
  4. For condensation
  5. For freezing
Question 6 Multiple Choice (Single Answer)

Which of the following is a wrong option?

  1. When we heat solid, it converts into liquid.
  2. When we cool solid, it converts into gas.
  3. When we cool liquid, it converts into solid.
  4. When we heat liquid, it converts into gas.
  5. When we condense gas, it converts into liquid.
Question 7 Multiple Choice (Single Answer)

Mrs. Sharma was making sweets. She had to dissolve two big pieces of jaggery in a cup of water. How can she do this quickly?

  1. By dissolving it in cold water
  2. By dissolving it in hot water
  3. By dissolving it in ice
  4. By freezing the jaggery
  5. Jaggery cannot be dissolved fast.
Question 8 Multiple Choice (Single Answer)

When we pour ice cubes into a jug of water, they float on the water. Why?

  1. Ice is heavier than water.
  2. Ice is solid while water is liquid.
  3. Ice has white colour.
  4. Ice is lighter than water.
  5. All solids float when put in liquid.
Question 9 Multiple Choice (Single Answer)

Manisha was helping her mother in kitchen, where she saw water was boiling in a pan and vapours were coming out of the pan. She put a plate on the pan to stop the vapours which were coming out of the pan. What changes will she observe in water after putting the plate on the pan for some time?

  1. Water will stop boiling.
  2. The amount of water will increase in the pan.
  3. The amount of water will decrease in the pan.
  4. The amount of water will remain unchanged.
  5. Vapours still come out of the pan.
Question 10 Multiple Choice (Single Answer)

A student took two dishes. Dish A is covered and Dish B is open. He poured equal amount of water in these dishes and put them in an open area. In which dish will the water evaporate fast?

  1. Dish A
  2. Dish B
  3. Same in both dishes
  4. Water will not evaporate until heated on gas.
  5. Cannot be determined
Question 11 Multiple Choice (Single Answer)

Which of the following statements is not true?

  1. Some rain water collects in spaces and cracks in the rocks and soil underground. This is called groundwater.
  2. Another name of water cycle is cloud cycle.
  3. Clouds are formed after evaporation takes place.
  4. Some rain water runs off to rivers, lakes and ponds.
  5. Rain water can be collected and stored for our use.
Question 12 Multiple Choice (Single Answer)

Which of the following is the correct method of reusing used water?

  1. Using water that was used to clean vegetables for drinking
  2. Using stale water for washing clothes
  3. Using water from factories for cooking
  4. Using the water after bathing to water plants
  5. Using the water after washing clothes to wash vegetables
Question 13 Multiple Choice (Single Answer)

Match the following:

 
1. A huge mass of ice which moves over land A. Reservoir
2. Water that collects in spaces and cracks of rocks and soil B. Ground water
3. Collection of water in an artificial pond or lake C. Irrigation
4.The transport and use of fresh water to farms and fields for growing crops D. Glacier
  1. 1 - D, 2 - A, 3 - B, 4 - C
  2. 1 - C, 2 - B, 3 - A, 4 - D
  3. 1 - D, 2 - B, 3 - A, 4 - C
  4. 1 - A, 2 - C, 3 - B, 4 - D
  5. 1 - A, 2 - B, 3 - C, 4 - D
Question 14 Multiple Choice (Single Answer)

Put these in order to depict a typical water cycle.

  1. Evaporation 2. Precipitaion 3. Condensation
  1. 1-------->2------->3
  2. 3-------->2-------->1
  3. 1-------->3-------->2
  4. 2-------->1-------->3
  5. 3-------->1-------->2
Question 15 Multiple Choice (Single Answer)

Match the following:

 
1. Low water table A. Water percolates through this
2. Organic impurities B. Summer
3. Non-porous rocks C. Organisms
4. Porous rocks D. Water table formed above this
  1. 1 - C, 2 - A, 3 - B, 4 - D
  2. 1 - D, 2 - B, 3 - C, 4 - A
  3. 1 - B, 2 - C, 3 - D, 4 - A
  4. 1 - A, 2 - B, 3 - C, 4 - D
  5. 1 - B, 2 - C, 3 - A, 4 - D
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