S K Jain and Shailesh K Jain Solutions for Chapter: Water : A Precious Resource, Exercise 6: Chapter Based Formative Assessment

Sea/ocean water cannot be used for domestic use because it contains a lot of

Water scarcity is caused due to

Rain is the ultimate source of water.

Groundwater is generally free from suspended impurities. 

The process involving the seepage of water into the ground is called infiltration.

You can save water by taking a shower in place of bath with a mug.

Excessive use of groundwater raises the water table at that place.

Complete the word puzzle with the help of clues given

ACROSS
1. Huge reservoir of water inside the earth (7).
2. Minimum depth in the soil where all the pore spaces are filled with water (10).
3. The water below the water table (11).
4. Recharging of groundwater by making rainwater to percolate into the soil (15).
5. Continuous cycling of water in nature (10).
DOWN
6. The areas which get very little rain (6).
7. Fall in the availability of usable water (13).