Science CH 6
Card Set Information
Science CH 6
Science CH 6, Abeka Grade 8
Two factors that determine the density of seawater?
Term for huge chunk of floating glacial ice?
Term for outer edge of glacier floating on the ocean?
Is sea ice salty?
Tern for pressure caused from water?
Term for where cold, deep water meets the sun-warmed surface water?
Term for 78% of the salt in the ocean?
Term for amount of dissolved solids in seawater?
Study of the earth's oceans?
Name of units used to measure water pressure?
psi = pounds per square inch
Strong current formed as a wave retreats through a gap in a sandbar?
Gentle current from receding waves?
Current that flows in the direction opposite the main current?
self-contained underwater breathing apparatus
Highest point of a wave?
Term for daily or twice-daily period when the ocean levels are at their highest point?
The earth's rotation causes surface currents to move in circular paths called?
Movement of ocean water caused primarily by the moon?
Gentle, rolling waves that appear even in calm weather?
Wave with white foamy top due to strong winds?
Length of time between one crest and the next?
Wave with white crest due to shallow water?
The depression in the water between crests?
Giant wave, usually caused by and undersea earthquake?
Name for underwater mountain range?
Term for huge valley where the crust appears to by separating?
Term for circular, coral-reef island?
Term for underwater mountain?
Term for huge muddy valey that cuts through the abyssal plain?
Term for huge level deep ocean floor?
Underwater mountain chain that stretches down the middle of the Atlantic Ocean?
The gently sloped region that stretches away from the continental slope?
Deep depression that contains the ocean?
The deepest known point in the sea?
Marianas Trench (Challenger Deep)
Sandy, gently sloping underwater plain near a continent?
Beginning marked by shelf break?
A pool of shallow, salty water at the center of an atoll?
Large fissure in the continental shelf?
Rhythmic back-and-forth motions of water that transfer energy?
What kind of bottles do oceanographers collect water samples from the ocean depths in?
The revolutionary submersible design invented by Auguste Piccard?
Device with an open tube that is dropped to the sea floor, allowing its weight to puncture the sediment?
Name of the zone of the deepest regions of the sea, with depths greater than 6000 meters?
Name of tides halfway between the spring tides are weaker-than-normal tides?
What device uses sound waves to detect underwater objects?
What device serves as a framework for many water collection bottles, allowing oceanographers to collect water from different depths?