Class 7 Exam > Class 7 Questions > What is one of the primary roles of ocean cur...
Start Learning for Free
What is one of the primary roles of ocean currents?
- a)To increase ocean salinity
- b)To redistribute heat around the planet
- c)To create tidal waves
- d)To prevent underwater earthquakes
Correct answer is option 'B'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Most Upvoted Answer
What is one of the primary roles of ocean currents?a)To increase ocean...
Role of Ocean Currents
Ocean currents play a crucial role in regulating the Earth's climate and maintaining the balance of marine ecosystems. One of their primary functions is to redistribute heat around the planet.
Heat Redistribution
- Ocean currents act like conveyor belts, transferring warm water from the equator to the poles and cold water from the poles back to the equator.
- This movement of water helps to moderate global temperatures. For example, the Gulf Stream carries warm water from the Gulf of Mexico across the Atlantic Ocean to Europe, significantly warming the climate of that region.
Impact on Weather Patterns
- By redistributing heat, ocean currents influence weather patterns and climate systems. They can affect precipitation, storm development, and even seasonal changes in various regions.
- For instance, the El Niño phenomenon, which is linked to changes in ocean currents, can lead to drastic weather changes, including droughts and floods across the globe.
Ecological Effects
- Ocean currents also transport nutrients and marine life, supporting biodiversity in different ocean regions.
- The mixing of warm and cold waters promotes productivity in marine ecosystems, crucial for the survival of various species.
In summary, ocean currents are vital for redistributing heat, influencing weather patterns, and supporting marine life, making them essential to the Earth's climate system.
Ocean currents play a crucial role in regulating the Earth's climate and maintaining the balance of marine ecosystems. One of their primary functions is to redistribute heat around the planet.
Heat Redistribution
- Ocean currents act like conveyor belts, transferring warm water from the equator to the poles and cold water from the poles back to the equator.
- This movement of water helps to moderate global temperatures. For example, the Gulf Stream carries warm water from the Gulf of Mexico across the Atlantic Ocean to Europe, significantly warming the climate of that region.
Impact on Weather Patterns
- By redistributing heat, ocean currents influence weather patterns and climate systems. They can affect precipitation, storm development, and even seasonal changes in various regions.
- For instance, the El Niño phenomenon, which is linked to changes in ocean currents, can lead to drastic weather changes, including droughts and floods across the globe.
Ecological Effects
- Ocean currents also transport nutrients and marine life, supporting biodiversity in different ocean regions.
- The mixing of warm and cold waters promotes productivity in marine ecosystems, crucial for the survival of various species.
In summary, ocean currents are vital for redistributing heat, influencing weather patterns, and supporting marine life, making them essential to the Earth's climate system.
Free Test
FREE
| Start Free Test |
Community Answer
What is one of the primary roles of ocean currents?a)To increase ocean...
Ocean currents act like a global conveyor belt, transporting warm water from the equator to the poles and cold water from the poles to the tropics.
This helps to counteract the uneven distribution of solar radiation that reaches the Earth's surface
Hope this helps
Attention Class 7 Students!
To make sure you are not studying endlessly, EduRev has designed Class 7 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 7.
|
Explore Courses for Class 7 exam
|
|
Similar Class 7 Doubts
Top Courses for Class 7View all
What is one of the primary roles of ocean currents?a)To increase ocean salinityb)To redistribute heat around the planetc)To create tidal wavesd)To prevent underwater earthquakesCorrect answer is option 'B'. Can you explain this answer?
Question Description
What is one of the primary roles of ocean currents?a)To increase ocean salinityb)To redistribute heat around the planetc)To create tidal wavesd)To prevent underwater earthquakesCorrect answer is option 'B'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about What is one of the primary roles of ocean currents?a)To increase ocean salinityb)To redistribute heat around the planetc)To create tidal wavesd)To prevent underwater earthquakesCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is one of the primary roles of ocean currents?a)To increase ocean salinityb)To redistribute heat around the planetc)To create tidal wavesd)To prevent underwater earthquakesCorrect answer is option 'B'. Can you explain this answer?.
What is one of the primary roles of ocean currents?a)To increase ocean salinityb)To redistribute heat around the planetc)To create tidal wavesd)To prevent underwater earthquakesCorrect answer is option 'B'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about What is one of the primary roles of ocean currents?a)To increase ocean salinityb)To redistribute heat around the planetc)To create tidal wavesd)To prevent underwater earthquakesCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is one of the primary roles of ocean currents?a)To increase ocean salinityb)To redistribute heat around the planetc)To create tidal wavesd)To prevent underwater earthquakesCorrect answer is option 'B'. Can you explain this answer?.
Solutions for What is one of the primary roles of ocean currents?a)To increase ocean salinityb)To redistribute heat around the planetc)To create tidal wavesd)To prevent underwater earthquakesCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 7.
Download more important topics, notes, lectures and mock test series for Class 7 Exam by signing up for free.
Here you can find the meaning of What is one of the primary roles of ocean currents?a)To increase ocean salinityb)To redistribute heat around the planetc)To create tidal wavesd)To prevent underwater earthquakesCorrect answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
What is one of the primary roles of ocean currents?a)To increase ocean salinityb)To redistribute heat around the planetc)To create tidal wavesd)To prevent underwater earthquakesCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for What is one of the primary roles of ocean currents?a)To increase ocean salinityb)To redistribute heat around the planetc)To create tidal wavesd)To prevent underwater earthquakesCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of What is one of the primary roles of ocean currents?a)To increase ocean salinityb)To redistribute heat around the planetc)To create tidal wavesd)To prevent underwater earthquakesCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice What is one of the primary roles of ocean currents?a)To increase ocean salinityb)To redistribute heat around the planetc)To create tidal wavesd)To prevent underwater earthquakesCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice Class 7 tests.
|
|
Explore Courses for Class 7 exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup