Ocean Currents
Lesson 3
Ocean Currents
Skim Lesson 3 in your book. Identify three things you want to learn more about as you read the lesson. Write your ideas in your Science Journal.
Major Ocean Currents
Define ocean current.
I found this on page
.
I found this on page
.
Describe surface currents. and
Prevailing winds influence the
of surface currents. Surface currents move water and reach depths of I found this on page
.
or more.
Define gyre, and identify 5 major gyres. Gyre:
1.
4.
2.
5.
3.
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
I found this on page
.
Identify the effect of the Coriolis effect on the movement of surface currents.
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.
Cause
Effect In the southern hemisphere, currents curve to the
, in a direction.
Coriolis effect In the northern hemisphere, currents curve to the
, in a direction.
I found this on page
.
Explain why upwelling occurs. Identify one benefit of the process.
Benefit:
Oceans
173
Lesson 3 | Ocean Currents (continued)
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.
Organize information about density currents. Density Currents
Description:
I found this on page
.
Caused by:
Summarize characteristics of the major types of ocean currents. Put an X in the columns that apply.
Surface Currents
Upwelling Currents
Density Currents
Move water from one place to another Move water horizontally
Caused by wind Caused by density differences Bring nutrient-rich water to the surface
Indicate water temperatures in the northern hemisphere gyre
Impacts on Weather and Climate I found this on page
174
Oceans
.
shown below. Color the arrow moving warm water red. Color the arrow moving the cold water blue.
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Move water vertically
Lesson 3 | Ocean Currents (continued)
I found this on page
.
Summarize how surface currents affect weather and climate.
I found this on page
.
Distinguish the cause of temperature differences along the coasts of the United States. Coastal areas of the southeastern United States
Coastal areas of the southwestern United States
Summer evenings are warm and humid, and rain is common.
Summer evenings are cooler and drier than in Florida.
Cause
Effect
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
I found this on page
.
Sequence how the Great Ocean Conveyor Belt moves water through the oceans. in the Pacific and Indian Oceans bring this cold water to the
, where .
it is Cold, dense water
near the poles .
and travels along the
moves back toward the , where the cycle begins again. how ocean currents affect weather and climate.
Oceans
175
Ocean Currents
Skim Lesson 3 in your book. Identify three things you want to learn more about as you read the lesson. Write your ideas in your Science Journal.
Major Ocean Currents
Define ocean current.
I found this on page
.
I found this on page
.
Describe surface currents. and
Prevailing winds influence the
of surface currents. Surface currents move water and reach depths of I found this on page
.
or more.
Define gyre, and identify 5 major gyres. Gyre:
1.
4.
2.
5.
3.
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
I found this on page
.
Identify the effect of the Coriolis effect on the movement of surface currents.
I found this on page
.
Cause
Effect In the southern hemisphere, currents curve to the
, in a direction.
Coriolis effect In the northern hemisphere, currents curve to the
, in a direction.
I found this on page
.
Explain why upwelling occurs. Identify one benefit of the process.
Benefit:
Oceans
173
Lesson 3 | Ocean Currents (continued)
I found this on page
.
Organize information about density currents. Density Currents
Description:
I found this on page
.
Caused by:
Summarize characteristics of the major types of ocean currents. Put an X in the columns that apply.
Surface Currents
Upwelling Currents
Density Currents
Move water from one place to another Move water horizontally
Caused by wind Caused by density differences Bring nutrient-rich water to the surface
Indicate water temperatures in the northern hemisphere gyre
Impacts on Weather and Climate I found this on page
174
Oceans
.
shown below. Color the arrow moving warm water red. Color the arrow moving the cold water blue.
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Move water vertically
Lesson 3 | Ocean Currents (continued)
I found this on page
.
Summarize how surface currents affect weather and climate.
I found this on page
.
Distinguish the cause of temperature differences along the coasts of the United States. Coastal areas of the southeastern United States
Coastal areas of the southwestern United States
Summer evenings are warm and humid, and rain is common.
Summer evenings are cooler and drier than in Florida.
Cause
Effect
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
I found this on page
.
Sequence how the Great Ocean Conveyor Belt moves water through the oceans. in the Pacific and Indian Oceans bring this cold water to the
, where .
it is Cold, dense water
near the poles .
and travels along the
moves back toward the , where the cycle begins again. how ocean currents affect weather and climate.
Oceans
175
