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Ocean Study Stack
Ocean Questions
Question | Answer |
---|---|
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. |