END OF UNIT: Year 7 Coasts

Select the correct definition of erosion.

• The wearing and breaking down of rocks.

• The smashing of rocks against the cliff.

Which of the following is NOT a form of erosion?

• Hydraulic Action

• Abrasion

• Attrition

• Saltation

What is the correct definition of hydraulic action?

• The force of water in cracks breaking apart rocks.

• Rocks scraping against the cliff face.

• Rockings knocking into each other, becoming more rounded.

• Rocks being dissolved by acids.

What is the correct sequence for the formation of a stump?

• Cave--> Arch--> Stack--> Stump

• Arch--> Cave--> Stack--> Stump

• Stack--> Cave--> Arch--> Stump

What is the difference between a cave and an arch?

• An arch is larger

• An arch has eroded all the way through the headland

• An arch is a pillar in the sea

What two forms of erosion work to erode a headland most?

• Abrasion and attrition

• Solution and attrition

• Hydraulic action and abrasion

• Hydraulic action and attrition

What is the soft geology of the Holderness Coast?

• Chalk

• Granite

• Boulder clay

• Jurrasic rocks

Select all the reasons the Holderness Coast is eroding so quickly.

• Soft boulder clay

• Strong prevailing winds from the North Sea

• Powerful waves

• Large coastline

Which of the following is NOT a consequence of erosion along the Holderness Coast.

• 32 villages along the Holderness Coast have been lost since the Roman Times - people are losing homes.

• Industry in Easington is threatened where a gas terminal provides 25% of Britain’s gas supply and is just 25m from the edge.

• 80,000m2 of farmland is lost each year, this has a huge effect on farmers livelihoods.

• People are getting much larger homes given to them by the council since there's is lost to sea.

A social effect is...

• One that affects people.

• One that affects money / jobs.

• One that affects the area.