Waves Flashcards
What is a Crest?
The top of a wave
What is a Trough?
The base of a wave
What is Wave Height?
The vertical distance from trough to crest
What is Wave Length?
The horizontal distance between two successive crests.
What is Wave Frequency?
The number of waves breaking per minute.
How often do high tides occur?
High tides occur every 121/2 hours with low tides in between
How are high tides created?
They are created by the gravitational pull of the sun and moon.
What is a fetch?
Fetch is area of water the wind blows across.
What is the prevailing wind?
Prevailing wind the most dominant wind and the strongest wind.
Where does the prevailing wind come from?
For the UK it comes from the South West.
What are some factors affecting wave size?
Strength of wind, duration of wind and the area that the wind blows on.
What is swash?
The movement of water up a beach
What is the name for the movement of water up a beach?
Swash
What is backwash?
Water going backwards back into the water and into the ocean.
What is the name for water going backwards and back into the water into the ocean?
Backwash
