WATER A PRECIOUS RESOURCE. Science grade:7 Chapter:16.
Most vital natural resource Sources of water are river , lakes, ponds etc. Water is found in three states such as solid, liquid and gas..
Water Cycle - The Definitive Guide | Biology Dictionary.
Water cycle Condensation Evaporation Precipitation Transpiration.
Explanation. Precipitation is a vital component of how water moves through Earth’s water cycle, connecting the ocean, land, and atmosphere . Knowing where it rains, how much it rains and the character of the falling rain, snow or hail allows scientists to better understand precipitation’s impact on streams, rivers, surface runoff and groundwater . Frequent and detailed measurements help scientists make models of and determine changes in Earth’s water cycle..
Source water protection | AUMA.ca.
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About water:. Essential for all leaving beings such as plants, animals and human beings. Exists in three forms: solid, liquid and vapours . (gaseous) Water cycle keeps the balance of water. Amount of water on earth remain constant by continuous cycle of water..
Water table - Wikipedia.
Explanation:. Infiltration: the seepage of water through the pores in the soil. Aquifer : A body of hard rock which contains or transmit groundwater. Ground water: The water stored under ground is called ground water. Water table: the upper level at which ground water is found..
Water Management. Rain water harvesting Rainwater harvesting (RWH) is a simple method by which rainfall is collected for future usage. The collected rainwater may be stored, utilized in different ways or directly used for recharge purposes. ... RWH An effective method in water scarce times, it is also an easily doable practice Drip irrigation: Drip irrigation is the most efficient water and nutrient delivery system for growing crops. It delivers water and nutrients directly to the plant's roots zone, ....
Conclusion:. There is uneven distribution of water . Much of it has resulted from human activities. We should try to avoid wastage and every individual should use water economically. Recharge of water to the ground should be increased. Plants and trees will ultimately dry-up if they are not watered for a few days..