Ocean Movements

Q. Movement of streams of water on the surface of the ocean in definite directions is called ____________.

1. a wave
2. evaporation
3. a tide
4. a current

Q. An earthquake, a volcanic eruption or an underwater landslide can shift large amounts of ocean water. As a result, a huge wave called a is formed.

1. whirlpool
2. tsunami
3. cyclone
4. waterspout

Q. An earthquake, a volcanic eruption, and underwater landslides can shift large amounts of ocean water. As a result, huge tidal waves called are formed.

1. tsunamis
2. cyclones
3. whirlpools

Q. Which of the following statement(s) is/are correct about the tsunami that occurred in 2004 in India and several southern parts of Asia?

1. It happened due to the Burma plate going under the Indian plate.
2. There is a rapid withdrawal of water from the coast before the tsunami approaches it.
3. This tsunami was caused by a massive volcanic eruption inside the ocean.
4. The waves of the tsunami travelled at a speed that is comparable to that of a commercial jet plane.

Q. The interaction between the Indian plate and the Burma plate caused the South Asian tsunami in 2004.

1. True
2. False

Q. When water rises and falls alternately over a short period of time, it is known as __________.

1. evaporation
2. tides
3. currents
4. waves

Q. Rise and fall of water twice in a day is known as __________.

1. evaporation
2. a current
3. a wave
4. a tide

Q. Identify the major movements that occur in oceans:

1. Waves
2. Evaporation
3. Tides
4. Currents

Q. The interaction between the Indian plate and the Burma plate caused the South Asian tsunami in 2004.

1. True
2. False

Q. Which of the following statement(s) is/are correct about the tsunami that occurred in 2004 in India and several southern parts of Asia?

1. It happened due to the Burma plate going under the Indian plate.
2. There is a rapid withdrawal of water from the coast before the tsunami approaches it.
3. This tsunami was caused by a massive volcanic eruption inside the ocean.
4. The waves of the tsunami travelled at a speed that is comparable to that of a commercial jet plane.