Question 2 :
Seas and oceans are full of water on earth. However, a very small percentage of water present on earth is available for us. This percentage is roughly ______.

Question 6 :
The process of seeping of water into ground is called filtration. True or False?

Question 7 :
Ice is solid whereas snow is the semi-solid form of water. True or False?

Question 8 :
On which of the following day is World Water Day observed?

Question 9 :
Which of the following are not the liquid forms of water? (i) Snow (ii) Lake water (iii) River water (iv) Water vapour (v) Ice. Choose the correct combination from the options below.

Question 10 :
Which of the following is a way to use water economically?

Question 12 :
Rapid growth of industries is one of the causes for water shortage. True or False?

Question 16 :
Year 2003 was observed as the International Year of Freshwater. True or False?

Question 17 :
Which of the following inhibits the seepage of rainwater into ground?

Question 18 :
A man digging the ground near a water body found that the soil was moist. As he kept digging deeper and deeper he reached a level where all the spaces between particles of soil and gaps between rocks were filled with water. The upper limit of this layer is called ______.

Question 23 :
The amount of water recommended by the United Nations for drinking, washing, cooking and maintaining proper hygiene per person per day is a minimum of ______.

Question 24 :
51% of the earth’s surface is covered with water. True or False?

Question 25 :
Water vapour is the gaseous form of water. True or False?

Question 26 :
Place the following statements in a proper order to form a meaningful paragraph. (a) Which in turn decreases the seepage of rain water into the ground. (b) This decreases the open areas like park, and playgrounds. (c) Increasing population create demand for construction of houses, shops, offices, roads and pavements. (d) This results in depletion of water table and creates scarcity of more water.

Question 29 :
Ocean water cannot be used for domestic purposes. True or False?

Question 31 :
Snow and ice both are solid forms of water. True or False?