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WorksheetsWater Quiz (Class 7)
Total questions: 22
Worksheet time: 8mins
Huge tidal waves formed due to earthquakes in water are called _____________.
cyclone
tsunami
tornado
spring tide
One example of a warm current is the ______________.
Gulf Stream
Labrador Current
West Wind Drift
Canary Current
It is an artificial enclosure for keeping small house plants.
Nursery
Terrarium
Greenhouse
Planthouse
TRUE OR FALSE: The harbours get destroyed whenever there is tsunami. And that's why it means "harbour waves in Korea."
True
False
Dead sea in Israel has salinity of _______ grams per litre of water.
340
400
450
250
When is World Water Day celebrated?
March 8
March 22
March 24
March 10
Tsunami or the harbour wave struck havoc in the Indian Ocean on the _________. The wave was result of earthquake that had epicenter close to the western boundary of Sumatra.
28 December 2006
28 December 2004
26 December 2006
26 December 2004
Tsunami is a Japanese word that means ____________.
Harbour waves
Typhoon
Tides
Earthquakes
Which of the following are not types of tides.
High tide
Lop tide
Spring tide
Near tide
________ are streams of water moving along definite paths.
Ocean currents
Tides
Waves
How do tides help us?
Helps in navigation
Many more fish come closer to the shore during high tide.
Helps to make the weather clear.
Used to generate electricity in some places
(a) are formed when gentle winds scrape across the ocean surface.
The areas where a warm and cold current meet also experience ______________ weather making it difficult for navigation.
clear
foggy
normal
snowy
The average salinity of ocean water is -
25 gm/1000 L
35 gm/1000 L
45 gm/1000 L
40 gm/1000 L
Most of the salt is ___________.
sodium chloride
ammonium sulphate
sodium sulphate
ammonium chloride
The process by which water continually changes its form and circulates between oceans, atmosphere and land
(a)
Which is largest lake in the world?
Himalayan Lake
Sambhar Lake
Mediterranean Sea
Caspian Sea
The largest tsunami ever measured was _________ high
150 m
140 m
130 m
120 m
When the water on the surface of the ocean rises and falls alternately, they are called .
tides
waves
ocean currents
The water used to irrigate a field in Haryana may have flowed down the Amazon River a hundred years ago.
False
True
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