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Ocean
25 cards·by BUDDER ISLAND
What happens to surface currents when the currents meet a continent?
They deflect and change directions
What are streamline movements of water?
Ocean Currents
What is the vertical distance between the trough and the crest?
Wave height
What is one way that makes mapping the ocean easier?
Sonar
What is the time it takes one full wave to pass a fixed position?
Wave period
What is the horizontal distance between two successive crests or two successive troughs?
Wave length
What is the largest ocean?
The Pacific Ocean
What is the smallest ocean?
The Arctic Ocean
What is the ocean that is about half the volume of the Pacific Ocean?
The Atlantic Ocean
What is the ocean located on the Northern Hemisphere near China? (Hint: Not Pacific or Arctic)
The Indian Ocean
What is the study of oceans?
Oceanography
Most ocean waves obtain energy from what?
The wind
What is another name for Tsunamis?
Tidal Waves
How long does it take for a spot on Earth that is facing the moon to rotate so that it is facing the
moon again?
24 hours and 50 minutes
The size of a wave depends on what?
How far, how fast, and how long the wind blows
How fast does sound travel in water?
1500 meters per second
What ocean do El Niño and La Niña come from?
The Pacific Ocean
Do all currents have the same characteristics?
No
Ocean trenches are formed by what?
Subduction
What is the average depth of the ocean?
12,200 feet or 3700 meters
What are three factors that influence currents?
Global Winds, The Corolis Effect, Continental Deflections
How much of Earth's surface is covered with water?
75%
What are some methods to study the ocean floor?
Sonar, satellites, and submersibles
What does dividing wavelength by wave period give you?
Wave speed
Which way do the winds blow near the equator?
East to West