CBSE Class 4 Science Air Water And Weather Worksheet

Q1) FILL IN THE BLANKS:

   a) Changes in the weather are caused primarily due to_______.

   b) The process of changing of liquid water into water vapour is known as __________.

   c) Frost is formed when it is _________.

   d) The ___________ of the earth on its axis causes day and night.

   e) ___________ is the coldest, windiest and the driest place on the earth.

   f) The level of underground water in an area is called the __________.   

   g) Hot air is ____________ than cold air.

   h) ___________ are set up when hot air rises and cooler air takes its place.

   i) Moving air is called __________.

   j) Fast and strong can cause___________. 

   k) Air flowing towards the sea from the land is called _____________.

   l) The level of underground water in an area is called the ____________.

   m) __________ gets heated faster than water.

   n) Two chemicals which can kill germs in water are_____________ and ___________.

   o) Water vapours fall as _________ when the atmosphere is extremely cold.

   p) ___________ occur when thick clouds of tiny drops of water form just above the land or water.

Q2) In which different forms water is found in nature?