Ocean Waves and Coastal Processes

The video explains how waves contribute to coastal erosion and deposition. It covers wave formation, primarily driven by wind, and how waves collect and transport sediments. The process of erosion is detailed, highlighting how waves erode shores by crashing rocks and sediments against each other. The size and energy of waves, influenced by wind speed, duration, and distance, determine the extent of erosion. The video also distinguishes between constructive and destructive waves, explaining their impact on coastal landforms.

What is the primary force driving ocean waves across the globe?

• Gravitational forces

• Tides

• Geologic hazards

• Wind

How do waves collect sediments?

• By dissolving them in water

• By dragging them up into the water column

• By evaporating the water

• By pushing them to the shore

What happens to sediments when wave movement slows down or stops?

• They move to the shore

• They dissolve in the water

• They settle back down to the seabed

• They stay suspended in the water

What gives ocean waves the power to erode the shore?

• The depth of the ocean

• The temperature of the water

• The energy traveling through water

• The speed of the wind

Which of the following is NOT a factor determining the size of waves?

• Temperature of the water

• Distance the wind blows

• Length of time the wind blows

• Speed of the wind

What happens when large waves carry more sediment?

• They cause more erosion

• They cause less erosion

• They cause no erosion

• They cause the same amount of erosion

What type of wave increases the size of the beach?

• Destructive wave

• Constructive wave

• Tidal wave

• Seismic wave

What characterizes a constructive wave?

• No swash or backwash

• Stronger swash than backwash

• Equal swash and backwash

• Stronger backwash than swash

What type of wave reduces the size of the beach?

• Constructive wave

• Destructive wave

• Tidal wave

• Seismic wave

What happens to materials during a destructive wave?

• They are pushed to the shore

• They stay suspended in the water

• They are pulled away from the coast into the sea

• They dissolve in the water