Show Me the Spheres (example)

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by shannonlangberg
Last updated 3 years ago

Earth Sciences

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Show Me the Spheres (example)

Composition of Earths layer

The atmosphere is a thin layer of gas that is surrounding the Earth. Its job is to seal the planet and protecting us from the vacuum of space. It also protects us from electromagnetic radiation given off by the Sun and small objects like meteors flying through space impacting Earth. It also contains the air that we breath which consist of 78% nitrogen, 21 % oxygen, 0.9% argon and 0.03 carbon dioxide. The atmosphere like the other spheres is a constant moving source of life for every creature on the planet.


The Lithosphere is the solid, outer part of the Earth. the Earth consists of three main layers: The core, The mantle and th crust, which includes the ocean floor and continents. The lithosphere is around 100km deep in most places and include the brittle upper portion of the mantle and the crust.

The Lithosphere is always moving but very slowly and it is broken into huge sections called tectonic plates. Watch the video above which demonstrates these plates

The hydrosphere is the liquid water component of the Earth. It includes the oceans, seas, lakes, ponds, rivers and streams. The hydrosphere covers about 70% of the surface of the Earth and is the home for many plants and animals.

The biosphere is all about life!!! It is a term to describe our living world. Every single microbe, animal and plant can be found somewhere inside of the biosphere. It extending all the way up to the upper limits if the atmosphere where birds and insects can be found. Alternatively it reaches the deepest depths of the Earths oceans in hydrothermal vents. Essentially the biosphere extends anywhere that life might exsist

So What Are the Spheres? Press play

The carbon cycle is the circulation and transformation of carbon back and forth between living things and the environment. Carbon is an element, something that cannot be broken down into a simpler substance. Other examples of elements are oxygen, nitrogen, calcium, iron, and hydrogen.


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