Coast Poster Quiz

What can happen when a larger amount of sediment is deposited at the mouth of a river?

• It creates a landform that extends in the sea, affecting wave patterns
• It causes the river to dry up
• It leads to the formation of a deep underwater trench
• It increases the salt concentration of the river water

Do CONSTRUCTIVE WAVES have a more powerful swash or backwash?

• Swash
• Backwash
• They're both the same
• CONSTRUCTIVE WAVES have neither

How do CONSTRUCTIVE WAVES crest?

• Apart
• Close
• They don't crest
• They crest irrationally

why does errosion form headlands

• harder limestone remains as the soft clay is eroded more rapidly
• becasue the harder limestone is eroded more rapidly than the soft clay
• because the waves erode the coast all at the same rate
• because the rock erodes the waves at different rates

What do destructive waves do to the beach?

• They eroid the beach and create steep beaches.
• They eroid the beach and create a gentle beach
• They build the beach up and create steep beaches
• They build the beach up and create steep beaches because of all the sand they are moving

How do CONSTRUCTIVE WAVES affect a beach?

• They push sediment up the beach
• They pull sediment off the beach
• They have no affect on beaches
• They beach whales

Why are they called CONSTRUCTIVE WAVES?

• They build up beaches
• Scientists are LYING to us about waves
• It's false advertising. They destroy beaches
• That's what they want you to think.

Destructive waves have what kind of backwash...

• Strong backwash
• Weak backwash
• Week backwash
• Sttrong backwash

What type of waves do short boarders prefer?

• Destructive waves
• Constructive waves
• Capillary waves
• Transtidal waves

How do waves form?

• Friction on th surface of the ocaen
• The sun
• Global temperature
• Whales