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Formation of the Ocean After the Earth cooled, water vapor in the atmosphere condensed, causing rain to fill the first ocean.
Current Divisions Four major divisions: Arctic Ocean Indian Ocean Atlantic Ocean Pacific Ocean
Ocean Water Salinity: measure of the amount of dissolved solids in a given amount of liquid
Ocean Water The salinity of ocean water is 35 g per 1000 g. Salt makes up the majority of dissolved solids.
Ocean Water Factors that affect salinity: Evaporation Circulation Freshwater inflow
Movement of Ocean Water Surface currents: stream like movement of water at or near the surface of the ocean
Movement of Ocean Water Surface currents affect climate by cooling or heating the coastline.
Movement of Ocean Water Deep currents: streamlike movement of water far below the surface Deep and surface currents are the result of convection.
Tides Tides are daily movement of ocean water that change the level of the ocean’s surface.
Tides High tide and low tide depend on the position of the moon as it revolves around the Earth.
High Tides The moon’s pull is strongest on the side facing the moon. This causes a bulge on the side facing the moon and directly opposite.
Tide Variations The sun also affects tides. The tidal range is the difference between low and high tide.
Spring Tide When the sun, moon and Earth are aligned, spring tides occur. Maximum daily tidal range
Neap Tide When the sun, Earth and moon make a 90º angle Minimum daily tidal range
TIDES Are periodic rise and fall of all ocean waters caused by the gravitational attraction of the moon and the sun upon the water and upon the earth itself.
Earth’s Oceans Chapter 13-1
Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Section 4 Tides Bellringer If the moon had the mass of a golf ball,
Chapter 11 S3 Tides. Ch 11 S3 Essential Questions 1. What causes tides? 2. What affects the heights of tides? 3. How are tides a source of energy?
Oceans and Ocean Movements
Tides. Gravity Earth’s gravity holds water to the surface. With no moon, sea level would be the same everywhere. The Moon’s gravity pulls Earth and its.
Chapter 21 Section 3 Review Page 534
Section 3: Tides Preview Objectives Tides The Causes of Tides
What is a “TIDE”? TIDES are daily changes in ocean water.
If the moon had the mass of a golf ball, the sun would have the mass of about 110 school buses! Although the moon is much smaller than the sun is, the.
Motion of the Ocean. Tides are created by the moon’s gravitational pull For any location on Earth, there are 2 high tides and 2 low tides per day The.
Tides and Currents Notes. How often do tides occur? There is about 12 hours and 25 minutes between two high tides or between 2 low tides. If it is high.
May What is a TIDE? Rise and fall in ocean levels Most observable at the coastlines.
1 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt Surface.
S6E3d- Explain the causes of waves, currents and tides.
WAVES, CURRENTS, TIDES. Q: TIDES …What are they? A: periodic rise and fall of large bodies of water.
Warm Up Name 2 processes that drive ocean currents.
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