Air, water and weather

Air, water and weather

Multiple Choice

water is odour less, taste less and colour less

• True

• false

Multiple Choice

Insoluble impurities

• Impurities that do not dissolve in water

• settling down of heavy insoluble impurities in a liquid

Multiple Choice

Define Soluble impurities

• dissolved impurities in water

• impurities that do not dissolve in water

Multiple Choice

Gently pouring the liquid into another container after sedimentation

• Decantation

• filtration

• sedimentation

Multiple Choice

When raindrops pass through a very cold region of atmosphere , they freeze and form ______

• Rain

• Frost

• hail

• snow

Multiple Choice

When it is very cold , the dew or surface water freezes into tiny white crystals is known as

• snow

• snowflakes

• dew

• frost

Multiple Choice

In winter when water vapour in the air condenses on touching cold surfaces, small drops of water called _______ are formed

• frost

• hail

• snow

• dew

Multiple Choice

Settling down of heavy insoluble impurities in a liquid is called

• Evaporation

• Condensation

• filtration

• sedimentation

Multiple Choice

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

• Snow

• hail

• frost

• Dew

Multiple Choice

Insoluble impurity left on the filter paper

• dew

• residue

Multiple Choice

Formation of day and night

• Revolution

• rotation

Multiple Choice

The sun's rays fall directly during

• Morning

• Evening

• Noon

Multiple Choice

An example of soluble impurities in water is

• Germs

• Mud

• Sand

Multiple Choice

Sea breeze blows during the night

• Yes

• No

Multiple Choice

Filtration is used to remove ____impurities present in water

• Soluble

• Insoluble

• None

Multiple Choice

_____ water kills the germs

• Freezing

• Boiling

• Both

Multiple Choice

_______day to day condition of the atmosphere

• Season

• Weather

• Rain

Multiple Choice

The sun causes all the weather changes

• True

• False

Multiple Choice

Land breeze blows during the_____

• Day

• Night

Multiple Choice

Drops of water seen on grass in a cold winter morning is called fog.

• True

• False

Multiple Choice

Land heats up_____ then water

• Slower

• Faster

Multiple Choice

________________ are made of water vapor that condenses in the troposphere.

• dew

• clouds

• evaporation

• transpiration

Multiple Choice

Definition: the pattern of weather in an area over time.

• weather
• humidity
• meterology
• climate

Multiple Choice

What is the name of the process of water changing to a gas?

• Evaporation

• Condensation

• Precipitation

• Infiltration

Multiple Choice

In the water cycle on Earth, water is in which form?

• solid

• liquid

• gas

• all of these