Rainwater - primary sources of fresh water it fall from the cloud during rain .
Rivers - following water that starts in the mountains and travels long distance .
Lakes - large , still bodies of water .
Ponds - smaller and shallow than lakes.
Wells - water taken from underground by digging a deep hole.
Streams - small, fast moving bodies of water .
Ocean and sea - huge bodies of salty water .
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Wich is the largest ocean in the world
1. What is the largest source of water on Earth?
2. What is the difference between surface water and groundwater?
3. What are the various sources of water?
4. Which type of water source is generally considered the purest?
Why is ocean and sea water salty but none other?
How does cloud make rain water?
Is there any other way of collecting water other than rain?