IGCSE COASTAL SAND DUNES

When waves drop sand on the beach, it is...

• Weathering

• Erosion

• Deposition

What agent is responsible for creating sand dunes?

• wind
• water
• ice
• deposition

Which way do sand dunes move?

• up & down
• to the west
• toward the sea
• in the direction of the wind

What is it called when sand moves by jumps and bounces?

• sediment
• erosion
• saltation
• slip face

When wind creates a sand dune, the sheltered side of the dune

• has no incline
• has the same incline as the windward side
• is steeper than the windward side
• has a more gently sloping angle than the windward side

Threats to dunes include ______________.

• Natural events like fire and animal paths
• Unnatural events like overuse, off-road vehicles, pedestrians. 
• Loss of vegetation 
• All of these answers are correct

The four main components of a beach profile in order from the closest to the beach inland are ___________.

• Mature dunes, fore dunes, yellow dunes, grey dunes, embryo dunes.

• foredunes, embryo, mature dunes, back dunes

• embryo, fore dunes, grey dunes, mature dunes, yellow dunes.

• embryo, fore dunes, yellow dunes, grey dunes, mature dunes.

What is the name of the sand dune succession 

• Halosere
• Hyrdosere
• Lithosere
• Psammosere

What is the colour change in a sand dune succession?

• green, grey , brown,
• yellow, green, grey
• yellow, green, brown
• yellow, grey, brown

What is species of plant are found in the embryo dune?

• Sea Rocket and sea couch

• Marram Grass and sedge

• Water lily

• Heather and gorse