Oceanography Concepts and Tides

This video tutorial covers various aspects of the hydrosphere, focusing on oceanography. It includes exercises such as fill in the blanks, answering questions, and matching related to ocean depth, salinity, ocean currents, and tides. The video also provides definitions of key terms and highlights important concepts like the Gulf Stream and tidal energy. Conservation methods for oceans are discussed, emphasizing the importance of protecting marine environments.

What is the average depth of the continental shelf?

• 150 fathoms

• 200 fathoms

• 100 fathoms

• 50 fathoms

Which of the following is NOT a major part of the ocean floor?

• Ocean Ridge

• Continental Shelf

• Deep Sea Plane

• Continental Slope

What causes tides to occur?

• Earth's magnetic field

• Wind patterns

• Ocean currents

• Gravitational forces of the Moon and Sun

During which moon phase do spring tides occur?

• Full moon

• First quarter

• Last quarter

• Waning crescent

Which method is NOT recommended for ocean conservation?

• Transporting oil through pipelines

• Dumping nuclear waste into the ocean

• Controlling mineral exploitation along the coast

• Avoiding dumping effluents into the sea

What is the average salinity of ocean water?

• 40 PPT

• 35 PPT

• 30 PPT

• 25 PPT

Which current is a warm current of the North Atlantic Ocean?

• Gulf Stream

• Benguela Current

• Oyashio Current

• Kuroshio Current

What is the primary characteristic of cold ocean currents?

• They are found only in the Atlantic Ocean

• They increase the salinity of ocean water

• They originate in polar regions and flow towards the equator

• They flow from equatorial to polar regions

Where in India is tidal energy being explored?

• Bay of Bengal

• Gulf of Kutch

• Indian Ocean

• Arabian Sea

What is the meeting place of the Kuroshio warm current and the Oyashio cold current known for?

• High salinity levels

• Major fishing grounds

• Tidal energy generation

• Coral reef formation