Currents
Surface and Deep
What are the two types of currents?
As energy passes through the water in a wave, What motions _________ are created?
What are small, vertical circles?
The repeated rise and fall of the ocean level.
What is definition of tide?
The percent of Earth that is covered by water.
What is 71 - 75%
The water cycle is powered by __________.
What is heat energy from the sun?
Surface currents are most affected by wind.
What most affects a surface current?
The Crest
What is the highest point of a wave?
High and low tides occur daily due to _______________ pull of the sun and the moon.
What is the gravitational pull?
The percent of Earth's water that is fresh.
What is 3%?
Precipitation, like snow, rain, sleet, and hail, occurs when _____________.
What is the clouds are too heavy to hold the moisture aloft?
Currents affected by density - saltiness and temperature.
What is deep current?
The distance from one crest to the next is called _______.
What is wave length?
Two each day
How many high and low tides occur each day?
The deepest valley at the bottom of the ocean floor formed as 2 plates subduct.
What is an ocean trench?
Water vapor (gas) changes to a liquid and clouds form.
What is condensation?
Surface currents are controlled by 3 things.
What are Global Winds, Coriolis Effect, and Continental Deflections?
A trough
What is the lowest point on a wave?
The tide that occurs twice a month at a new and full moon and creates the highest high tides and the lowest low tides.
What is Spring Tide?
The order of ocean topography from the coast can be described by this statement: She slowly rises.
What is Shelf, Slope, and Rise?
Throughout time, the amount of water on Earth (increases, remains constant, or decreases).
What is remains constant?
Deep ocean currents move due to density changes caused by 2 things.
What are temperature and salinity (amount of saltiness)?
Wave height
What is the vertical distance between a wave crest and a wave trough?
The Neap tide occur twice a month at the first and third quarter moons. It creates the lowest high tide and the highest low tide.
What is a Neap Tide?
A mountain chain on the land can be compared to this on the ocean floor.
What is a mid-ocean ridge?
Perspiration is to animals as ______________ is to plants.
What is transpiration?