Air, Water and Weather

The land gets heated ______

than water

• faster

• slower

Formation of day and night

• Revolution

• rotation

Insoluble impurity left on the filter paper

• dew

• residue

When water vapour is suddenly cooled, it freezes into tiny white snowflakes is called

• Snow

• hail

• frost

• Dew

When water vapour mixes with very cold air and changes into drops of water and forms a blanket of clouds just above the water or land

• Dew

• fog

• hail

• frost

Evaporation is faster if the exposed surface area of the liquid is large .

• Surface area

• wind

• temperature

• wind

The process of evaporation and condensation is a continuous process prevailing in nature is called

• Land breeze

• Water cycle

Settling down of heavy insoluble impurities in a liquid is called

• Evaporation

• Condensation

• filtration

• sedimentation

1.Soluble Impurities - which cannot be seen like salts , etc

• true

• false

Evaporation is faster when it is windy . moving wind absorbs water rapidly

• Wind

• fog

• rain

• condensation