Coasts KQ1

What is the missing physical factor from this list:

Geology, Ocean currents, Wind, Waves

The predominant wind direction is known as the

• fetch

• prevailing wind

• aeolian wind

• onshore wind

The predominant wind direction is known as the

• fetch

• prevailing wind

• aeolian wind

• onshore wind

Longshore drift can only occur when the wind blows in what way?

• In a NE direction

• Perpendicular to the coast

• In a zig zag

• At an oblique angle

In shallow water the wave length is ​ (a)   and the wave height is ​ (b)   . In deep water the wave base ​ (c)   reach the sea bed, so friction in the water is only coming from the ​ (d)  

• large
• short
• does
• doesn't
• wind
• long
• small

Organise these options into the right categories

Groups:

(a) Constructive waves

,

(b) Destructive waves

• Swash is interrupted by backwash

• Long wavelength

• Gradual beach slope

• Short wavelength

• 9-12 waves per min

• 6-8 waves per min

• Takes sediment off beach

• Steep beach slope

• High wave height

• Backwash doesn't interupt swash

• Deposits sand and sediment

• Low wave height

Rip currents are fast. True or false?

• True

• False

Match the geology related features to the description

• Horizontal cracks in rock

• Dip

• Bent strata due to tectonic forces

• Strata

• Angle of the strata

• Joints

• Vertical cracks in rock

• Bedding planes

• Layers of rock

• Folds

When the sun, moon and Earth are at a right angle, this causes ​ (a)   tides. This is when the distance between high and low tide is at its ​ (b)   . Neap tides happen ​ (c)   a month.

• neap
• spring
• smallest
• greatest
• twice
• once

Which bay in Canada has the largest tidal range in the world?

The Bay of...