Basically, we learned about the different spheres that make up the Earth, and what each contains.
atmosphere- air and weather
hydrosphere- water
lithosphere- rocks and earth
biosphere- life on Earth.
Its pretty simple. "litho" means rock, "hydro" means water, "bio" means life, etc. Connecting them with the term "sphere" makes it very easy to understand.
at North Marion, we observed clouds and a slight breeze as an example of the atmosphere, a creek as an example of the hydro sphere, rock and dirt as is in the lithosphere, and people as part of the biosphere.
