biosphere
interactive
Earth
nutrients
troposphere
Food web
Ozone layer
Water cycle
hydrosphere
subsystems

I learned that the earth is composed of four 1._______: the geosphere biosphere, atmosphere and hydrosphere. The atmosphere has five layers. The 2._______ comes in contact with the biosphere, the thermosphere the hottest area while the stratosphere contains the 3._______ The geosphere houses the 4._______while the atmosphere support it with vital gases for survival. The 5.______existing in three states make the earth livable such that water is distributed in three states. The four Earth's subsystems are 6.______meaning they influence each other. The reciprocal action of each supports life on Earth. Some of the essential process includes the 7_____ illustrating how hydrosphere spreads all over the earth. The food chain and 8.______ illustrates the energy transformation in the biosphere with the influence of other subsystems. The rock cycle illustrates the role of physical elements and properties in the 9.______and the nitrogen cycle, illustrating the cycle 10._____ of among plants and animals are some of the essential process of emphasis to learn.​