Ocean Currents
Ocean Density
Waves
Tides
The Moon and Sun
100
These currents are caused by wind
What is Surface Currents
100

The percent of salinity in the ocean

What is 3.5% or 35 parts per thousand?

100
_________ are energy traveling along the boundary between ocean and atmosphere.
What is a wave
100
Are the regular change in the elevation of the oceans surface.
What is Tides
100
The Moon makes one complete revolution around the earth affecting the tides every
What is 29 days
200
A mass of ocean water that moves from place to place
What is Ocean Currents
200
ocean density is affected more by temperature or salinity?
What is temperature
200
The waves you see are visible evidence of
What is energy
200
Ocean tides result from differences in the __________ attraction exerted upon different parts of the earths surface by the moon.
What is gravitational (gravity)
200
The Sun’s effect on the tides is ______ less than that of the Moon’s.
What is 46%
300
A large circulation of water within an ocean basin
What is a Gyre
300
ocean water can increase in density by a drop in temperature or a increase in ______________.
What is Salinity
300
Most ocean waves obtain their energy from the ________
What is wind
300
When Earth, moon, and sun are aligned, ______ tides are formed.
What is spring tides.
300
The influence of the sun on the tides is most noticeable near ______________________.
What is new and full moons
400
The rising of cold, deep ocean water to replace warmer surface water.
What is Upwelling
400
The layer between surface currents and deep water currents
What is pycnocline, or transition zone
400
The tops of the waves are called the _______ , which are separated by ________ .
What is crest and trough
400
When Earth’s moon and sun are at right angles to each other, _______ tides are experienced.
What is Neap Tides
400
Tides were not well understood until __________________ applied the law of universal gravitation to them.
What is Sir Isaac Newton
500
Vertical currents caused by density differences; denser water sinks.
What is Density currents
500
Typical dense sea water freezes at
What is 28F
500
The horizontal distance between two successive crest or two successive troughs is the _________ .
What is wavelength
500
The primary body that influences the tides is the
What is Moon
500
Although the sun affects the tides, it has a lesser affect than the moon because.
What is distance (it is a lot further away)
M
e
n
u