Coastal Processes

What influences a wave’s height?

• Wind speed

• Wind duration

• Fetch

• All of the answers

What is a characteristic of a destructive wave?

• Strong swash

• Crests are further apart

• Strong backwash

• Deposits sediment

When does wave refraction occur in oceans?

• Waves hit a seawall

• Waves travel from deeper water to shallower water

• Waves of different heights collide

• Change in wind speed

How far apart do tides occur?

• 3 hours apart

• 5 hours apart

• 6 hours apart

• 9 hours apart

What influences tides?

• Height of waves

• Shape of coastlines

• Depth of sea floor

• Both B and C

What is longshore drift?

• An accumulation of deconstructive wave action

• Movement of material along a coastline

• An accumulation of constructive wave action

• Current which forms deep bays

Which type of weathering involves the expansion of water when it freezes, causing rocks to break apart?

• Salt weathering

•  Physical weathering (freeze-thaw)

• Chemical weathering

• Biological weathering

What type of weathering is primarily responsible for the formation of karst landscapes, including sinkholes and caves?

• Salt weathering

•  Physical weathering (freeze-thaw)

• Chemical weathering

• Biological weathering

Lichen and moss growing on rocks, slowly breaking them down, is an example of:

• Salt weathering

•  Physical weathering (freeze-thaw)

• Chemical weathering

• Biological weathering

When minerals in rocks dissolve due to exposure to rainwater and acidic substances, it is an example of:

• Salt weathering

•  Physical weathering (freeze-thaw)

• Chemical weathering

• Biological weathering