Quiz #1

The movement of material along the beach which results from waves breaking at an angle is known as

• hydraulic action

• swash

• longshore drift

• backwash

Which of the following features is NOT the direct result of wave erosion

• stacks

• wave-cut platform

• cliff

• spits

Waves are generated by

• ocean currents

• the earth's rotation

• friction of winds blowing over the sea's surface

• the sun's energy

The main features of wave deposition are

• stacks, beaches, bars

• bars, spits, cliffs

• bars, arches, stacks

• beaches, bars, spits

A back flow of water which was piles up on the beach by breaking wave is called

• undertow

• swash

• wave refraction

• backwash

The horizontal distance between two wave crests is called the

• wave length

• wave height

• wind direction

• trough

The force exerted by the sea water and air in cracks or fissures of rock is called

• corrosion

• attrition

• hydraulic action

• corrasion

Identify the correct sequence of feature formed as a headland erodes

• stump, stack, arch, cave

• stack,arch, cave,stump

• cave, arch, stack, stump

• arch, stack, stump, cave

The wave fetch is

• the height of the wave

• the distance over which the wind has blown

• the speed of the wave

• the direction of the wave

Which of the followingconditions is most likely to prevent the growth of corals? The presence of:

• clear water

• shallow water

• warm water

• muddy water