Question

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

Answer 1

Tides

1. The falling and rising of sea levels which are formed by the interaction of the gravity of the Sun and Moon are called tides.
2. High tides: The rise of ocean water in coastal areas is called high tides.
3. Low tides: The fall of ocean water in coastal areas is called low tides.

High tide occurs when:

1. The tides are highest if the phase of the moon is new or full.
2. When the moon is directly overhead, high tides can occur before or after.