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GCE/O level Geography (W&C - Relative Humidity ) Quiz on W&C - Elements - RH, created by Mr Guo on 24/01/2019.

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W&C - Elements - RH

Question 1 of 6

1

Relative humidity always has a sign.

Drag and drop to complete the text.

    percentage (%)
    kilogram (kg)
    millimeter (mm)

Explanation

Question 2 of 6

1

Relative humidity (%) = in the air (g/m3) / the air can hold () x 100%

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    Actual amount of water vapour
    Maximum amount of water vapour
    g/m3

Explanation

Question 3 of 6

1

Fill the blank spaces to complete the text.

Relative humidity also varies with . air can hold more water vapour than air. When temperature , the amount of water vapour in the air stays the same, but the rise in temperature makes the air able to hold water vapour. Thus, relative humidity as temperature increases.

Explanation

Question 4 of 6

1

Fill the blank spaces to complete the text.

occurs when relative humidity is at per cent. Thus, when air holds the amount of water vapour it can hold at a particular temperature, it is said to be . The particular temperature at which saturation occurs is known as the dew point temperature. At point temperature, starts to occur. Condensation is a process in which water vapour s to a liquid known as water droplets by .

Explanation

Question 5 of 6

1

In order for clouds to form, a few processes need to occur. They are

Select one or more of the following:

  • evaporation

  • condensation

  • particle-formation

  • coalescence

  • precipitation

  • effervescence

  • diffusion

  • extension

  • limitation

Explanation

Question 6 of 6

1

A cloud is a visible mass of water vapour or ice cubes that are suspended in the atmosphere.

Select one of the following:

  • True
  • False

Explanation