Transcript Chapter 19 Study Notes: The Ocean Basins Chapter 19 Section 1

Chapter 19 Study Notes:
The Ocean Basins
Chapter 19 Section 1
The Water Planet
1
• Earth’s oceans cover about ______
¾ th’s
surface
th’s of Earth’s _______.
2
• Of all the water on Earth, ____
97% is
oceans
found in the _______.
3
• The _______
deepest and largest ocean on
Pacific
Earth is the _______.
4
ships ______,
sonar and
• _________
Drilling
_____,
submersible are tools used by
____________
scientists to study the deep ocean.
5
• A piece of sediment collected by
core ______.
sample
drilling is a ____
6
sonar to calculate
• Scientists use ______
depth of the ocean floor.
the ______
7
• _______
Sonar uses sound waves to
measure the sea floor.
11
• To see the bottom of the ocean for
him or herself, a scientist would use
a ___________
submersible
Chapter 19 Section 2
Features of the Ocean Floor
1
• Continental _________
margins are made up
of the continental rise, continental
slope, and continental shelf.
2
deepest place in Earth’s crust is
• The _______
trench
a _________.
3
Convergent plate boundaries cause
• __________
trenches
deep ocean _______.
4
flattest regions on Earth are
• The _______
abyssal
__________
plains.
5
• A _______
nodule is made up of minerals.
6
ocean ridges in Iceland
mid
• The _____-_______
above
are unusual because they rise _____
sea level.
7
Seamounts are most likely to form in
• ________
hot _______.
spots
_____
• In addition to these notes study the
diagram on the top of pages 476-477
so that you can identify the different
features found on the seafloor
including the following:
continental shelf, continental
slope, continental rise, trench,
mid-ocean ridge, abyssal plain