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To Do Today This definitely needs improved! One doesn’t click through like it should.
Study for Test! Ch. 19 Ocean Basin Notes (& Questions at end) 19.2 Features of Ocean Floor Study Guide Deep Ocean Video Guide 19.3 Ocean SEDIMENT NOTES (Questions) This Jeopardy! (It’ll be online.)
Choose a category. You will be given the answer. You must give the correct question. Click to begin.
Click here for Final Jeopardy
Numbers Ocean Life Sediments & The Ocean Floor 10 Point 20 Points 30 Points 40 Points 50 Points 10 Point 20 Points 30 Points 40 Points 50 Points 30 Points 40 Points 50 Points Geography & Geology History & Oceans
Who named the Pacific Ocean?
Who is Ferdinand Magellan?
The average depth of the World Ocean is this many miles.
What is 2.5 miles?
Who invented the Aqualung and had an underwater TV show?
Who is Jacques Cousteau?
Hydrothermal vents were discovered in this decade.
What are the 1970’s?
Oceanography began in this decade.
What are the 1870’s?
One knot = ________ mi/hr
What is 1.15 mph?
One fathom = _______ feet
What is 6 feet?
How many meters deep is the water if the sonar time is s?
What is 1500 m?
How many feet deep is the water if the sonar time is 4.00 s?
What is 9,840 ft?
Mid Ocean Ridges are found along _______________ boundaries.
What are divergent?
Found at ____________ zones, _______ are the deepest features in the ocean floor.
Subduction, ocean trenches ?
______________ and the _________ islands are two the few places where a mid-ocean ridge rises about sea level.
Azores Islands & Iceland
Caused by rivers or turbidity currents, submarine canyons are deep, V-shaped valleys in the _______.
What is continental margin?
This is the underwater mountain range!
What is the mid ocean ridge?
Name these 3 underwater features in order.
What are a seamount, guyot, and trench?
Most life in this zone lives in hydrothermal vent communities.
What is midnight zone?
_______% of ocean life lives in the sunlit zone.
What is 90%?
____________ form the base of the food chain in the midnight zone.
What are bacteria?
In the midnight zone, bacteria use one of these two substances to make food via chemosynthesis.
Mid Ocean Ridges are found along _______________ boundaries.
What are hydrogen sulfide and methane?
Cold seeps or cold vents in the ocean create underwater lakes made of this.
What is brine (very salty water)?
What is the average depth of sediment on the ocean floor? (feet and meters)
400 m, 1300 ft
What are 4 ways inorganic sediments are deposited?
Wind, rivers, meteors, waves
This underwater event causes large quantities of coarser sediment end up on the ocean floor.
What is a turbidity current?
Most inorganic sediments are found in these two places.
Mid Ocean Ridges are found along _______________ boundaries.
What are the shore and continental shelf?
This is a picture of _____ ______ and it tells scientists that a _______ occurred (underwater event). It was probably caused by an _____.
Graded bedding, turbidity current, earthquake.
Make your wager
List 3 things that can be seen in core samples & the 4 things they tell scientists about the past.
Volcanic Ash volcano erupted Remains of dead organisms what was alive when what climate was like Graded bedding turbidity current & probably earthquake occured