Earth science activities and worksheets 50+ pages

What are the major Earth Systems? The Earth works as a set of interconnected systems; these four major Earth Systems are often referred to as spheres and include the. Scientists study the physical, chemical, and biological components of these environments. Atmosphere: The atmosphere is the layer of gases that surround the earth keeping the planet warm and providing oxygen for breathing and carbon dioxide for photosynthesis.

Scientists who study the atmosphere are called atmospheric scientists. Those who study the weather are called meteorologists.

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And those who study seasonal variations over months, years or centuries are called climatologists. Geosphere: The geosphere includes the interior and surface of the Earth. Both of these are made up of rocks and minerals. The scientists that study this sphere are called geologists. Hydrosphere: This is the part of the Earth that is covered by water.

Oceanography is the study of the physical chemical and biological features of the ocean. Scientists who study the oceans include oceanographers or marine biologists. Biosphere: This is the part of the Earth that can support living life. The biosphere extends from underground down about ten feet where plant roots, animals, insects, bacteria live and underwater as deep as the ocean trenches to higher up in the atmosphere where life plants and animals down to microbes can exist.

Within the biosphere, living things form ecological communities based on the physical surroundings of an area.