Waves and tides

Question 1

Constructive waves

Answer 1

Generated in open ocean
Low
Long
Stronger swash than backwash
Build up beach

Question 2

Destructive waves

Answer 2

Local storm generated
High
Short
Stronger backwash than swash

Question 3

Wave refraction

Answer 3

Close waves get pulled into shallow water before a headland
Waves become destructive
Other waves get pulled into deeper water of bay
Waves become more constructive

Question 4

Spring tide

Answer 4

The highest possible high tide

When moon is opposite earth opposite to the sun

Question 5

Tidal range

Answer 5

The distance covered from low tide to high tide
Low tidal range concentrates all erosion in small area
High tidal range spreads erosion out

Question 6

Neap tide

Answer 6

The lowest possible high tide
Has low tidal range
Sun and moon at right angles to each other from earth