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OCEANS
25 cards·by MARIOTIME
What is a disturbance that transmits energy through matter or empty space?
Waves
Highest part of wave?
crest
The lowest part of a wave is the?
trough
Streamlike movements of water are called?
ocean currents
Horizontal movements of water that are caused by wind and occur at or near the ocean's surface
are called?
surface currents
Which way do the winds blow near the equator?
East
In what ocean do El Nino and La Nina form?
South Pacific Ocean
What is El Nino?
The location of warm and cool surface waters
What is La Nina
A periodic change in the Eastern Pacific Ocean that surface temperatures become cool
What is the time between the passage of two wave crests (or troughs) at a fixed point?
Wave period
The vertical distance between the crest and the trough of a wave is the?
Wave height
Why are waves different sizes?
It depends on the energy inside the wave
How do most ocean waves form?
When energy is transferred from a source to the ocean water
The difference between levels of ocean water at high tide and low tide is called a?
tidal range
Tides that occur when the sun, Earth, and the moon form a 90* angle are called
neap tides
Tides that occur when the sun, Earth, and the moon are aligned are called?
spring tides
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?
24h and 50 min.
What are tides?
The periodical rise and fall of water
What two forces influence tides?
The sun and the moon
What are high tides?
High tides are the bulges that form in Earth's oceans
Where do low tides form?
low tide areas
What does dividing wavelength by wave period give you?
wave speed
What is the deflection of moving objects from a straight path due to Earth's rotation called?
The Coriolis Effect
What happens to ocean water as it becomes denser?
It sinks
Name three materials transported by global ocean circulation.
Oxygen, nutrients, heat