Currents
Tides
WAVES
Sand movement
Weather patterns
100
Surface currents are driven by wind. The rest are driven by?
Answers I'd accept:
Thermohaline
Convection
Cold and Salty waters
100
Outgoing tide is called?
Ebb
100
Name the 3 types of Waves
Refraction, Reflection, Diffraction
100
Input of sand on the beach is called?
Accretion
100
Low pressure system causes...??
Rain
200
Trade winds travel in what direction?
East to West
200
2 high and 2 low tides in a day is called?
Semi- Diurnal
200
What are Orthoganals?
Right angle measurements of diffraction spread.
200
Sand enters a beach through a river, and is carried down shore through ________________?
Longshore Drift
200
Would Australia be raining in La Nina or El Nino?
La Nina
300
If thermocline is the point of rapid change in temperature, then what are the names for the change in salt and density?
Halocline and Pycnocline
300
When does a Spring tide Occur?
Soon, Moon and Earth all line-up in their orbit.
300
Give me the names for C and A.
Trough and Crest
300
2 main boundaries that involve sand movement.
Hint: 1 is free, 1 is fixed.
Compartment and Littoral Cell
300
Shape of a trough and a ridge?
Trough: U
Ridge: Opposite
400
Name for large systems of circulating waters.
200pts to any team who knows the smaller temporary loops?
Gyres
Eddies
400
How many days after a spring tide, does a neap tide occur?
7
400
Do waves move water? Why/Why not?
ALL IN: Wind causes _________ on the water to make waves. (300 points, first team)
No, energy moves through.
Friction
400
Shape created on the beach that is caused by sand dune erosion?
Runnels
400
Hot and Cold air combining, causes a ______?
ALL IN( 200 pts if you get it right): Wind blows ________ in a trough and _______ in a ridge?
Front
Anti-clockwise and Clockwise
500
Deflection of currents in the opposite direction due to Earth's rotation?
Coriolis Effect
500
Spring tides occur at 2 types of Moons, what are these?
ALL IN: Exact amount of time between 1 high to the next high. Closest team gets 300 points.
New and Full
ALL IN: 12 hours and 25 minutes
500
Breaking Waves are called __________________?
Shoaling waves.
500
Name of the structure built to stop erosion?
ALL IN: First team =300pts : Name 3 sediment sources
Groyne
Rivers, Sandstone cliffs and long shore drift
500
El Nino in Australia is during what 2 seasons ?
Winter and Spring