High Tides and Low Tides

Q.

What are tides? What are high and low tides? When do high tides occur?

Q. A characteristic of is the alignment of the Sun, Moon, and the Earth in a single straight line.

1. autumn tide
2. neap tide
3. spring tide

Q. is a tide that occurs around the time of the New Moon as well as the Full Moon when the Sun and the Moon are aligned with the Earth.

1. Autumn tide
2. Neap tide
3. Spring tide

Q. Identify the right cause of tidal waves.

1. Gravitational pull of the Moon only
2. Gravitational pull of the Sun only
3. Gravitational pull of the Sun and Moon
4. Fast winds only

Q. Tides seen of Full Moon and New Moon days are known as _______.

1. spring tides
2. neap tides
3. large tides
4. small tides

Q. During New Moon day the tides are ___________.

1. at a moderate level
2. at their highest level
3. at their lowest level
4. non-existent

Q. Choose the correct statement(s) about high tides.

1. High tides do not help in navigation.
2. High tides help fishermen.
3. High tides do not help fishermen.
4. High tides help in navigation.

Q. Select the tides that do not help in navigation.

1. Low tide
2. High tide
3. Neap tide
4. Spring tide

Q. _______ occurs when the water level of the shore is at its lowest levels.

1. A small tide
2. A high tide
3. A small tidal wave
4. A low tide

Q. During the full Moon, tides are ___________.

1. at their highest level
2. non-existent
3. at their lowest level
4. at a moderate level

Q. Select the tides that help in navigation.

1. Low tide
2. High tide
3. Neap tide
4. Spring tide

Q. Which of the following statements is correct?

1. The strong gravitational pull exerted by the Sun only is responsible for the formation of tides.
2. A low tide is said to be experienced when water recedes from the shore.
3. When the Sun, the Moon and the Earth are in the same line, the tides thus formed are called neap tides.
4. Kuroshio is a cold current and Oyashio is a warm current.

Q. Water waves are a manifestation of ______ moving through the ocean.

1. Heat
2. Density
3. Energy
4. Velocity

Q. In any place, a high tide and a low tide can be experienced in a day.

1. twice
2. once
3. thrice

Q. Which of the following statements are correct?

1. A high tide helps ships in navigation.
   
2. High tide can be used to generate electricity unlike low tide.
   
3. It is easy for the ships to arrive at the harbour during low tides.
   
4. Many fish come close to the shore during the high tide.
   

Q.

If the moon did not exist, would the earth still have ocean tides? If so, how often.

Q. When water rises to its highest level, covering much of the sea shore we call it _______.

1. a high tide
2. a large tidal wave
3. a low tide
4. a big tide