coastal land forms

Question 1

what are headbands and bays

Answer 1

headbands are bands of resistant rock that lie between bays of less resistant rock where the land has been eroded back by the sea

Question 2

what is an arch

Answer 2

starts as a cave then is gradually widened until it cuts through to create and arch

Question 3

what is a stack

Answer 3

an isolated pillar of rock left when the top of an arch has collapsed

Question 4

what conditions are needed to form a spit

Answer 4

change in direction of coastline, constructive waves, shallow water, weak current

Question 5

why do spits stop growing

Answer 5

depth of water increases, current becomes stronger

Question 6

what is a bar

Answer 6

is a ridge of sand which forms between two headlands

Question 7

what is a beach

Answer 7

found at a coast between high and low tide levels how +

Question 8

how+where does material accumulate

Answer 8

in a sheltered bay around and obstacle

Question 9

for dunes to form what conditions need to be present

Answer 9

obstacle on beach,strong winds,lots of sediment moved my saltation

Question 10

as you move inland across a sand dune what happens to plants

Answer 10

number+type of plants increase, becomes warmer and less windy and soil contains more moisture

Question 11

what are the names of the first dune species

Answer 11

embryo and pioneer