Show:
The earth
Continental Margin/Shelf
Continental Slope
Continental Rise
Abyssal Plain
100
What causes heating in the earth?
What is radioactive decay of rock
100
What is the depth of the continental shelf : 140-200m, 700-1000m or 1000-1200m
What is down to 140-200 meters.
100
How wide is the continental rise?
What is 100-300 miles wide
100
How deep is the Abyssal Plain?
What is 4000-6000 meters deep
200
How hot is the Inner and Outer Core ?
What is 12,000 degrees Celsius and 10,000 degrees Celsius.
200
What are ways that make the continental shelf nutrient rich?(2)
What is 1.run off(sewage ) 2.recycle (wind, big wave action)
200
How big is the slope?
What is 4 degrees celsius .
200
What is the continental rise
What is An accumulation of mud and nutrients that slowly blends in with the Abyssal Plain.
200
Is it completely flat?
What is NOPE.
300
What is the diameter of the earth?
What is 400 miles
300
What are ways that make the continental shelf high in Primary Productivity?(3)
What is 1.seaweeds + other benthic plants(seagrasses) 2. benthic diatoms and 3. phytoplankton(supports ?)
300
How deep is the continental slope?
What is 140-3700m
300
What is the Abyssal Plain?
What is rolling hills ; ridges with rifting edges.
400
What is another name for crust(basalt) and mantle?
What is lithosphere(basalt) and asthenosphere.
400
What is isostacy ?
What is crustal plates seeking neutral buoyancy in the asthenosphere.
400
What specific events occur at the continental SLOPE?
What is Turbidity currents
400
What is the hadal zone?
What is the zone with the deepest depths of the ocean.
400
What does rifting signify ?
What is Vents and volcanic activity.
500
How hot is the asthenosphere?
What is 1100-1400 degrees Celsius.
500
Describe the sediment along the continental margin.
What is -high in diversity - different topography - different organisms - forms deep sea fans and canyons (pg.111)
500
Explain what a turbidity current is.
What is Mudslides of nutrients down the slope. (17mi/hr)
500
How deep is the hadal zone?
What is 6000m- 10,000m
500
What forms on top of abyssal plains?
What is Seamounts ; flat topped structure (1km in height)