Teachers, save “The Earth's Four Spheres” to assign it to your class.

The Earth is made up of land, water, air and living things. Scientists call these four areas Earth's 'spheres'. Upload your video tutorial explaining these spheres including - a detailed picture of a biome - an explanation and examples of the geosphere - an explanation and examples of the biosphere - an explanation and examples of the hydrosphere - an explanation and examples of the atmosphere - how do these all work together on our planet?