Moisture in soil
•    Soil can hold water, which makes soil moist. 
•    Amount of moisture in soil depends on type of soil, clayey and loamy soil have greater moisture than sandy soil.
•    Due to moisture in soil, air above the land is shimmering during a hot summer day. 
•    Some water goes down the particles due to force of gravity is called gravitational water.
•    Water held between the soil particles due to capillary action is called capillary water.