6. Ocean
I. Answer the following question in
approximately 1-15 words.
1.
Why does the Ocean water salty?
2.
Why there is a dense fog near Newfoundland?
3.
Write down the main ocean currents of South Atlantic Ocean cycle.
4.
Explain the route of Gulf Stream current.
5.
Write down the main ocean currents of North Atlantic Oceans cycle.
6.
What do you understand by Tsunami?
II. Answer the following question in
approximately 50-60 words.
1.
What is the difference between Spring Tide and Neap Tide?
2.
Differentiate between warm water ocean current and cold water ocean current.
3.
Why are the ocean currents of Indian ocean not so definite and systematic?
4.
Give reasons, why are the western harbours of Britain remain open even in
winter season where as the eastern harbours of north America situated at the
same latitude are remain frozen ?
5.
Tide is very useful for ships. How?
6.
Why a spring tide occurs in full moon and no moon days?
7.
How does the Gulf Stream affects the climate of Europe?
8
What is 'Sargasso Sea' and how does it form?
9 What is the difference between the ocean
waves and the ocean currents.
10
Write down a case study of a place that is affected by Tsunami.
III. Answer the following question in approximately in 125-130 words.
1.
Why do the ocean currents flow? How do they affect the climate of any country.
2.
Explain with illustration on the world map, Atlantic ocean currents.
3.
Explain with illustration on the world map, Pacific Ocean currents.
4.
How does the Tide occur? Justify with diagram.
5. What are ocean currents? What are the
causes of their origin.
