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Unit 10
Energy in the Earth System
| Term | Definition |
|---|---|
| Earth System | is all of the matter, energy, and processes within Earth{s boundary. |
| Geosphere | is the mostly solid, rocky part of Earth. |
| Hydrosphere | is the part of Earth that is liquid water |
| Cryosphere | is made up of all of the frozen water on Earth |
| Atmosphere | is mostly made of invisible gases that surround Earth. |
| Biosphere | is made up of living things and the areas of Earth where they are found |
| Energy Budget | is a way to keep track of energy transfers into and out of the Earth system. |
| Air pressure | is the measure of the force with which air molecules push on an area of a surface. |
| thermosphere | is the uppermost layer of the atmosphere |
| mesosphere | is between the thermosphere and stratosphere |
| statosphere | is between the mesosphere and troposphere |
| troposphere | is the lowest layer of the atmosphere |
| ozone layer | is an area in the stratosphere, 15 km to 40 km above Earth{s surface, where the ozone is highly concentrated . |
| greenhouse effect | Is the process by which gasses in the atmosphere, such as water vapor and carbon dioxide, absorb and give off infrared radiation. |
| Temperature | is a measure of the average kinetic energy of particles |
| Thermal energy | is the total kinetic energy of particles |
| thermal expansion | the increase in volume that results from an increase in temperature |
| heat | is the energy that is transferred between objects that are at different temperatures |
| radiation | is the transfer energy between objects that are not in direct contact with each other |
| convection | Is the transfer of energy due to the movement of matter |
| conduction | is the transfer of energy from one object to another object through direct contact |
| wind | the movement of air caused by differences in air pressure |
| coriolis effect | the apparent curving of the path of a moving object from an otherwise straight path due to Earth{s rotation |
| global wind | wind systems occur at or near Earth{s surface that are worldwide |
| jet stream | are narrow belts of high speed winds that blow from west to east, between 7 km and 167 km above Earth{s surface. |
| Local wind | Are the movement of air over short distances |
| Ocean current | the ocean contain stream like movements of water |
| surface current | ocean currents that occur at or near the surface of the ocean caused by wind |
| deep current | movements of ocean water far below the surface |
| convection current | a movement of water that results from density differences |
| upwelling | the warm surface water is then replaced by cold, nutrient rich water from the deep ocean |