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Ocean Study Stack

Ocean Questions

What kind of currents are wind driven? Surface Currents
What are the five main gyres called? North Atlantic Gyre, South Atlantic Gyre, North Pacific Gyre, South Pacific Gyre, and Indian Ocean Gyre
Which way do Gyres spin in the northern hemisphere and in the southern hemisphere? In the northern hemisphere It spins clockwise and in the southern hemisphere it spins counterclockwise.
What is the definition of the coriolis effect? The movement of wind and water to the right or left that is caused by Earth’s rotation.
What ocean current does this definition go with, the vertical movement of water toward the ocean’s surface Upwelling Currents
Cold, salty water sinks to the bottom of the ocean. What current is it? Density Currents
The cold water current on the western side of the U.S is called what? The California Current
The warm water current on the eastern side of the U.S is called what? The Gulf Stream Current
How many oxygen molecules and how many hydrogen molecules are there? One oxygen and two hydrogen.
What is Polarity? Polarity is a condition in which opposite ends of a molecule have slightly opposite charges, but the overall charge of the molecule is neutral.
What is the universal solvent? Water
What is the attraction among molecules that are alike. Cohesion
What is the attraction among molecules that are not alike Adhesion
Why does ice float in water? The water molecules start to grow farther apart after 4 degrees and the ice is less dense so it floats.
Is ice a good insulator for water if so, why? Yes because the ice can keep out the cold and keep the water at four degrees.
What lab did we do to demonstrate cohesion The drops of water and alcohol on the penny.
What are abyssal plains? Large flat areas of the seafloor that extend across the deepest parts of the ocean.
What rises from the abyssal plains and creates islands? Volcanoes
What is a mix of seawater and fresh water? Brackish water
How did the sea become salty? The rocks broke down over time and the salt and other minerals were left behind and the rivers and streams carried them to the ocean.
What are submersibles used for? Scientists use them to map the ocean floor.
How does density effect ocean structure? Density makes all the heavier water with the salt go deeper in the ocean.
What does the sea floor look like? It is a bunch of canyons drop offs and some flat areas.
What is salinity? It is how much salt is in the water.
Created by: 683976