The Earth's 4 Spheres
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Science
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5th Grade
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Medium
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Taylor Sheller
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7 Slides • 5 Questions
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The Earth's 4 Spheres
Taylor Sheller
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The Four Spheres:
All
the elements and properties in the Earth’s system are divided into four major
subsystems or spheres which are called:
•Lithosphere
•Atmosphere
•Hydrosphere
•Biosphere
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Multiple Choice
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Hydrosphere
The hydrosphere contains all the solid, liquid and gaseous water of the planet.
About 97% of the earth’s water is salty and only a small portion is non-salty.
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Biosphere
The biosphere of earth includes all living things on planet Earth like animals, plants and microorganisms.
There are different ecological communities divided in six main biomes which are desert, aquatic, forest, grassland, tundra and chaparral.
It is the biggest one of all four spheres of earth.
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Lithosphere
The lithosphere/ Geosphere can be defined as the outer boundary layer of solid earth and discontinuity within the mantle.
It is a crustal system composed of various layers which are core, mantle and outer crust. It is also known as geosphere.
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Atmosphere
The atmosphere is a complex fluid system of gases and suspended particles.
This fluid system forms a gaseous envelope around the earth with no defined boundaries.
The total volume of atmosphere is made up of gases like nitrogen, argon, oxygen, carbon dioxide and water vapor etc.
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Poll
Which of the spheres do you think we, as humans belong to?
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Open Ended
Can you think of an example of the ways the spheres might interact?
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Interaction Example
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Multiple Select
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Multiple Select
The Earth's 4 Spheres
Taylor Sheller
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