Coastal Erosion and Wave Action

What is the turbulent movement of water due to the movement of wind over the water?

What is the alternate rise and fall surface of the sea, approximately twice a day?

• Tide

• Current

• Coast

• Shore

What is the movement of surface water in a definite direction?

• Tide

• Current

• Coast

• Shore

What is the part of land between high water and low?

• Tide

• Current

• Coast

• Shore

What is the distance between two successive crests or trough?

What is the distance between the crest and the trough?

What is the number of waves per minute?

What is the amount of open water over which a wave has passed?

What is the movement of waves up the beach in one direction but drains back in another direction due to the influence of gravity?

What is a giant tidal wave caused by volcanic eruption or earthquake in the ocean?