Coastal Erosion

Presentation

•

Geography

•

8th - 10th Grade

•

Medium

Paula Knowles

Used 5+ times

FREE Resource

7 Slides • 40 Questions

Coastal Erosion

Multiple Choice

Water seeps into a crack in a rock. As the water freezes, it expands and increases the size of the crack in the rock.

Physical

Chemical

Biological

Multiple Choice

Water, wind, gravity, ice, plants are all part of this kind of weathering

Chemical

Mechanical

Humid

Multiple Choice

plants produce weak acids that slowly dissolve the rock they are growing on

chemical weathering

mechanical weathering

erosion

deposition

Multiple Choice

rock is broken by the freezing and thawing of ice

chemical weathering

mechanical weathering

erosion

deposition

Multiple Choice

the breakdown or decomposition of rock that takes place when minerals change through chemical processes

chemical weathering

mechanical weathering

erosion

deposition

Multiple Choice

The movement of weathered material (sediment) is called?

weathering

erosion

deposition

cementation

Multiple Choice

Grinding away of rock by rock particles carried by wind, water, ice and gravity is

abrasion

gravity

carbon dioxide

thermal expansion (temperature)

Multiple Choice

What is mechanical weathering?

Process through which rocks are physically broken into smaller pieces

Rocks are broken down through chemical changes.

Rocks are worn away from acid in plant roots.

Rocks broken down by machinery

Multiple Choice

The process of breaking up rocks on Earth's surface is called...

sediment

erosion

weathering

deposition

Multiple Choice

Which of these is an example for hard rock?

chalk

granite

clay

limestone

Multiple Choice

Waves are generated by

wind blowing over water

sun blowing on the sea

tidal movements

rotation of the Earth

Multiple Choice

What is the first stage in a stack formation?

Arch is formed

Cave is formed

Line of weakness in rock

Stump is formed

Multiple Choice

Which erodes quicker?

Hard rock

Soft rock

Multiple Choice

What is the first stage in a stack formation?

Arch is formed

Cave is formed

Line of weakness in rock

Stump is formed

Multiple Choice

Sea caves are coastal landform made by

Erosion

Deposition

Multiple Choice

What is this type of wave?

Coast building - constructive

Coast destroying - destructive

Multiple Choice

What is this type of wave?

Constructive wave

Destructive wave

Multiple Choice

I happen when the waves don't have enough energy to carry sediment

Deposition

Erosion

Swash

Backwash

Multiple Choice

This is a

Headland

Stack

Arch

Bay

Multiple Choice

When swash is stronger than backwash it creates a

Constructive wave

Destructive wave

Water layer weathering

Plunging wave

Multiple Choice

The type of erosion that occurs when pebbles bang together

Abrasion

Attrition

Hydraulic action

Solution

Multiple Choice

The movement of water up the beach after the breaking of a wave is...

Swash

Backwash

Multiple Choice

With a ................................... wave, the swash is stronger than the backwash.

destructive

constructive

swash

backwash

Multiple Choice

What am I? I have a very strong backwash which removes material from the beach.

A deconstructive wave.

A constructive wave.

The local council.

Multiple Choice

What are constructive waves?

Waves that are tall and frequent, crashing into shoreline, digging out chunks.

Long and low waves, beginning far out in the sea, with a smooth gentle landing.

The circular movement caused by wind and gravity fighting.

When people wave their hand to aggresively destroy things.

Multiple Choice

What are destructive waves?

Waves that are tall and frequent, crashing into shoreline, digging out chunks.

Long and low waves, beginning far out in the sea, with a smooth gentle landing.

The circular movement caused by wind and gravity fighting.

When people wave their hand to aggresively destroy things.

Multiple Choice

What is backwash?

Water that runs back into the ocean.

Water that falls forward and moves up the shore.

Tug of war between the drag of the wind and pull of gravity.

Swirling of water in an area.

Multiple Choice

What is swash?

Water that runs back into the ocean.

Water that falls forward and moves up the shore.

Tug of war between the drag of the wind and pull of gravity.

Swirling of water in an area.

Multiple Choice

What is the erosional process in which rocks are pushed by waves up against the headland, eroding the cliff face further?

Hydraulic action.

Abrasion.

Attrition.

Solution.

Multiple Choice

What is Erosion?

When waves lose energy and leave sediments / sand along a coast.

The wearing away of land, removal of beach rocks/sand by water or wind.

An area of land that smells different to other places.

An area that has a lot of wind.

Multiple Choice

Which is the correct order of Coastal landforms caused by weathering and erosion?

Cave, stack, arch crack stumo

crack, arch, cave, stack, stump

Crack, cave, arch, stack, stump

stack stump arch cave crack.

Multiple Choice

Attrition describes the process of

When a hard rock grinds a softer rock into sand particles

Fish grinding rocks with their teeth

Sand being moved along the coastline

Wave energy rubbing rocks against each other

Multiple Choice

Attrition describes the process of

When a hard rock grinds a softer rock into sand particles

Fish grinding rocks with their teeth

Sand being moved along the coastline

Wave energy rubbing rocks against each other

Multiple Choice

The lower section of this image displays a land form called

Flat rock

Table rock bed

Exposed reef

Wave cut platform

Multiple Choice

Erosion has created the following land form

Arch

Cave

Bridge

Rainbow formation

Multiple Choice

This is a

Stack

Arch

Wave cut platform

Blowhole

Multiple Choice

True or false? Sea Stacks are created by erosion and weathering.

True

False

Multiple Choice

Bays are created by:

Deposition

Erosion

Weathering

Transportation

Multiple Choice

Identify the landform type.

Sea Stack

Sea Stump

Arch

Bay

Multiple Choice

Identify the landform.

Sea arch

Tombolo

Sea Stack

Stump

Coastal Erosion

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