मराठी

Construct a crossword puzzle of your own using the keywords.

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प्रश्न

Construct a crossword puzzle of your own using the keywords.

थोडक्यात उत्तर
तक्ता
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उत्तर

Across:

  1. Essential for human survival, found in rivers, lakes, and oceans.
    Answer: Water (1 Across)
  2. A natural source of water flows towards an ocean, a lake, or another river.
    Answer: River (4 Across)
  3. The process by which water vapour becomes liquid.
    Answer: Condense (5 Across)
  4. A large natural body of water surrounded by land.
    Answer: Lake (7 Across)
  5. Underground layer of water-bearing rock.
    Answer: Aquifer (8 Across)

Down:

  1. The continuous movement of water on, above, and below the surface of the Earth.
    Answer: Cycle (1 Down)
  2. Frozen water falling from the sky in flakes.
    Answer: Snow (2 Down)
  3. The solid form of water.
    Answer: Ice (3 Down)
  4. The largest body of saltwater covers most of the Earth's surface.
    Answer: Ocean (6 Down)
  5. Tiny droplets of water suspended in the atmosphere form clouds.
    Answer: Vapor (9 Down) Filled crossword Grid

Filled crossword Grid:

Here is the filled grid based on the answers:

Explanation:

  • 1 Across (Water): Essential for human survival.
  • 4 Across (River): Natural source flowing towards larger bodies.
  • 5 Across (Condense): Process of vapour becoming liquid.
  • 7 Across (Lake): Large natural body of water.
  • 8 Across (Aquifer): Underground water-bearing rock.
  • 1 Down (Cycle): Continuous movement of water.
  • 2 Down (Snow): Frozen water in flakes.
  • 3 Down (Ice): Solid form of water.
  • 6 Down (Ocean): The largest body of saltwater.
  • 9 Down (Vapor): Tiny droplets in the atmosphere.
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पाठ 13: Wastewater Story - Activities and Projects [पृष्ठ १६५]

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एनसीईआरटी Science [English] Class 7
पाठ 13 Wastewater Story
Activities and Projects | Q 1. | पृष्ठ १६५

संबंधित प्रश्‍न

 State the importance of water cycle in nature.


Give reason for Silica gel pouches are kept in unused water bottle.


.................... is the purest form of natural water.


Two gases found dissolved in natural water are


Give any three important uses of water.


Explain why:

Rain water does not leave behind concentric rings when boiled.


Explain why:

Water is an excellent liquid to use in cooling systems.


What do you understand by soft water?


Complete the statement by filling the blank with the correct word from the option.

The ratio of hydrogen & oxygen in water is ____.


State any two sources of water pollution.


True or false? Correct the wrong statement.

We get rainwater throughout the year.


Pour water from the ice tray into a kettle. Ask an elder at your home to heat the kettle and observe the mouth of the kettle when the water starts boiling.
What do you see?


_____ is a type of rainwater harvesting.


On which of the following day is World Water Day observed?


State whether the following statement is True or False. If false, write the correct statement.

Ice is solid whereas snow is the semi-solid form of water


Water polluted by various human activities causes a number of water borne diseases. Which of the following is not a water borne disease?


Match the items of Column I with the items of Column II with reference to sewage.

Column I Column II
(a) Inorganic impurities (i) phosphorus and nitrogen
(b) Organic impurities (ii) nitrates and phosphates
(c) Nutrients (iii) cholera and typhoid
(d) Bacteria (iv) pesticides and herbicides

Write any two activities which require more than a bucket of water.


Dissolve two spoons of common salt in half a cup of water. Now if you want to get the salt back, what will you do?


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