Page 101 - EVS Class 04

tubewells are used to take out

underground water. Sometimes,
underground waters appears on the
surface in the form of springs .

Lakes and Ponds
Well Handpump
A large area of water surrounded by land is called a lake .

An area of water smaller than a lake is called a pond . A pond may be natural
or man-made.

Lake Pond

Rivers Indus
The rivers which get their water from rain Indus Jhelum C H I N A
PAKISTAN Ravi
are called rain-fed rivers. They do not flow Chenab Beas Govind H I M A L A Y A T i b e t
Sagar
Indus Sutlej Ghagara N E Tsangpo
throughout the year. They dry up during the Ganges P
Indus Yamuna A L BHUTAN Brahmaputra
summer season, but have plenty of water in Chambal Behwa Ganges
Sone BANGLADESH
the rainy season . They are also called Gulf of Narmada
Kachch
MYANMAR
Tapti
peninsular or seasonal rivers. For example: Gulf of Khambhat I N D I A Mahanadi
Krishna, Kaveri, Godavari, Narmada and ARABIAN Godavari
SEA Krishna B A Y O F
Mahanadi River. B E N G A L
The rivers which get water from the melting Kaveri
Lakshadweep
(INDIA) Andaman & Nicobar Islands
ice and snow from high mountains are
(INDIA)
called snow-fed rivers . They do not dry up Maldives Gulf of LANKA
SRI
Mannar
I N D I A N O C E A N
in any season. They are also called
perennial rivers. For example, Ganga
Yamuna and Brahmaputra Rivers.

Oceans and Seas

Oceans cover more than two third of the
earth’s surface. There are five oceans in the

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