The abbreviation SCUBA
What is Self-Contained Underwater Breathing Apparatus
The deepest layer
What is the inner core?
The midline for longitude
What is the Prime Meridian
The flat area of the ocean floor
What is the abyssal plain?
Magma that flows to the earth's surface
What is lava?
The substance in the scuba tanks
What is oxygen?
The upper layer of earth's mantle, beneath the lithosphere
What is the asthenoshpere?
The midline for latitude
What is the equator?
Feature formed from erupting volcanoes
What are seamounts?
Opening through which volcanic materials erupt
What is a vent?
Another name for decompression sickness that scuba divers often get
What are the bends?
The layer of only liquid
What is the outer core?
The direction in which latitude runs
What is east to west/ horizontally?
The deepest parts of the ocean
What are trenches?
One of the three volcano types
What is a shield/composite/cindercone?
The inventor of the Aqualung
Who is Jacques Cousteau?
The outermost layer
What is the crust?
The direction in which longitude runs
What is north to south/ vertically?
The area where most living things in the ocean live
What is the continental shelf?
Molten rock beneath the earth's surface
What is magma?
A common scuba pressure hazard
What is barotrauma?
The mantle is made of these
What are silicates?
The city that the prime meridian passes through
What is Greenwich England
The feature that begins at the continental shelf and plunges down
What is the continental slope?
A long curved chain of volcanic islands
What is a volcanic island arc