Global Winds
Weather Instruments
Surface Currents
Ocean Currents
Plate Tectonics
100
What are the three types of global winds?
Trade winds Westerlies Easterlies
100
What type of instruments is used for wind direction?
Wind vane
100
What causes surface currrents?
Wind
100
Deep ocean currents are also called The __________
Global conveyer belt
100
The tectonic plates float on top of what layer of the Earth?
Asthenosphere
200
What causes winds?
Convection-hot air rising and cold air sinking
200
What instrument is used for temperature and what units is it taken in in Science?
Thermometer-Celcius
200
Surface currents are _________ moving.
Fast
200
Deep ocean currents are _________ moving
slow
200
What are the three types of plate boundaries and show them with your hands.
Divergent, Convergent, Transform
300
In what direction do trade winds blow and turn?
Towards the equator and turn west
300
What instrument tells wind speed?
Anemometer
300
Why do currents spin a certain directions?
Coriolis effect
300
Why does the warm water sink down if normally it is supposed to rise.
The salt adds density to bring it down
300
What scientist came up with the theory of continental drift?
Alfred Wegner
400
What are jet streams?
Used by pilots, west to east, 200-300km/hr
400
What instruments is used for relative humidity?
Psychrometer
400
Surface currents spin in a circular motion called _____
gyres
400
What are mid-ocean ridges and how do they form?
Underwater mountain chains-Divergent boundaries
500
Areas of no wind are called what and found where?
Doldrums-equator
500
What do lines on a weather map show?
Points of equal air pressure
500
What is the most famous surface currents?
Gulfstream
500
How long do deep ocean currents take to complete a circuit?
1000 years
500
What landform forms due to land subsidence?
sinkhole
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