1) What moves material up a beach? a) swash b) backwash c) lagoons 2) What pulls material down a beach? a) swash b) backwash c) the moon 3) What creates swash? a) prevailing winds b) gravity c) tides 4) What creates backwash? a) prevailing winds b) gravity c) tides 5) What is a sandbar? a) when sand builds up and stretches out to sea b) when sand builds up and stretches across a bay c) when sand builds up and stretches to an island  6) Where do sandspits build up? a) Where there is a change in direction of the coastline b) Near caves c) Below stacks 7) Sandspits are formed by: a) hydraulic action b) longshore drift c) abrasion 8) A hook on a spit is formed when a) gravity is strong b) wind direction changes c) abrasion occurs 9) A lagoon is formed when a) an area is cut off from the sea by the spit b) a stack collapses c) solution occurs 10) Hydraulic action is a) when rocks are thrown at the cliff face b) when waves force air into cracks in rocks c) when salts dissolve rocks 11) Abrasion is a) when rocks are thrown at the cliff face b) when waves force air into cracks in rocks c) when salts dissolve rocks 12) Solution is a) when rocks are thrown at the cliff face b) when waves force air into cracks in rocks c) when salts dissolve rocks 13) A headland & bay is formed when a) longshore drift occurs b) the roof of an arch collapses c) soft rock is eroded more quickly than hard rock d) waves attack the base forming a notch, and eventually the unsupported cliff collapses 14) Cliffs form when a) longshore drift occurs b) the roof of an arch collapses c) soft rock is eroded more quickly than hard rock d) waves attack the base forming a notch, and eventually the unsupported cliff collapses 15) Stacks form when a) longshore drift occurs b) the roof of an arch collapses due to gravity c) soft rock is eroded more quickly than hard rock d) waves attack the base forming a notch, and eventually the unsupported cliff collapses

Coasts Revision

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