Olympiad – Class VI – Science - Che - Water

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Question - 1

What is the main source of water for inland lakes?

  • A Snow
  • B Sea water
  • C Ground water
  • D Springs

Question - 2

Identify the source of ground water

  • A Sub-soil water
  • B River water
  • C Rain water
  • D All of the above

Question - 3

Which of the following are changed when water boils?
(i) Temperature
(ii) State
(iii) Colour

  • A Only (i) and (ii)
  • B Only (ii) and (Hi)
  • C Only (i) and (iii)
  • D (i), (H)and (iii)

Question - 4

Clouds are formed due to

  • A only evaporation.
  • B only condensation.
  • C both evaporation and condensation.
  • D only vapourisation.

Question - 5

Mrs. Uma has put a wet cloth to dryas shown below.

Which part of the towel will dry faster?

  • A
  • B Y
  • C Z
  • D Either X or Y

Question - 6

In a small town, the number of water pumps, concrete houses and roads increased. What happens to the water table of that place?

  • A It becomes lower
  • B It becomes higher
  • C It remains unaffected
  • D It first becomes lower and then higher.

Question - 7

Cloud seeding is a technique that induces rain. What does the process involve?

  • A Adopting an agricultural practice that depends on clouds
  • B Introducing particles in clouds to facilitate condensation
  • C Making clouds and placing them in the sky
  • D Scattering clouds to form seed likes tructures

Question - 8

Given in the figure are four containers that contain the same amount of water.

In which of the following containers will water evaporate the slowest? 

  • A
  • B R
  • C P
  • D S

Question - 9

Which of the following is the primary source of water on land?

  • A Lakes
  • B Tanks
  • C Ponds
  • D Rain water

Question - 10

Which of the following is potable water?

  • A A glass of water fit for drinking
  • B Water in a pot
  • C Sea water
  • D Water with bacteria and chemicals