WorksheetsNCERT Class 7 Geography Water
Total questions: 15
Worksheet time: 8mins
....................... is an artificial enclosure for keeping small houses plants
Major Sources of freshwater sources are ....................
........... is the amount of salt in 1000 grams of water
Ocean water
Saline
............... of earth surface covered by water
25%
95%
4/5
3/4
Salt which is present in ocean water
Types of ocean movements
Waves, tides, currents
Choose the correct one
Saline water in ocean is 96.3%
Freshwater is 2.7%
The process by which water continually changes its forms and circulates between ocean , atmosphere and land is known as water recycle
River is the most resource for freshwater
Choose the correct one
March 23 is celebrated as World Water Day
The stronger the wind blows the bigger the tide becomes
Earthquake can shift large amount of ocean water and cause waves
Tsunami means Harbour city in latin word
What is run off ?
Runoff is the flow of water , that moves across the land and into water bodies.
What are tides ?
Do you agree that neap tides are formed when the sun diminishes moon's gravity?
Yes
No
The sun can or cannot diminish moon's gravity according to the earth's direction
Maybe
Uses of tides
Tides are used for navigation, tidal energy generation
(a) are streams of water flowing constantly on the ocean surface in definite direction
The cold current orginate ..................
Near Poles
Near equator
Can be anywhere
On the middle of the ocean because of low sun's heat
The area where the ............... current meet provide best ground for fishing
ocean currents
cold
warm
cold and warm
