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Chapter 7 CC 2
A Beka Book 8th Grade
| Term | Definition |
|---|---|
| Solar energy (or solar radiation) | Energy from the sun |
| The atmosphere obtains heat from the ___ ___ that reaches the earth. | solar energy |
| Radiation | The transfer of heat by electromagnetic waves |
| Electromagnetic waves | Waves that include radio waves and waves of light |
| Albedo | The decimal equivalent of solar radiation reflected by an object is that object's this |
| Insolation | The solar energy that does reach the surface of the earth (INcoming SOLar radiATION) |
| Watt | Measures the amount of energy that something gains, loses, or uses in a second |
| ___ ___ reduces the amount of insolation as much as 85%, because ___ are especially reflective. | cloudy weather, clouds |
| ___ ___ ___ affects insolation. | Amount of daytime |
| The amount of insolation is also affected by the ___ ___ ___ ___ ____. | angles of the sun's rays |
| ___ ____ ___ ___ ___ also affects the amount of insolation. | Earth's distance from the sun |
| Perihelion | Earth's closest point to the sun |
| Aphelion | Earth's farthest point from the sun |
| Perihelion occurs during the ___ ___'s summer. | Southern Hemisphere |
| Energy budget | The amount of energy available to heat the earth's land, water, and air |
| Greenhouse effect | The process of trapping heat in the earth's atmosphere |
| Greenhouse gases | The atmospheric gases that help to trap heat |
| The most important and abundant greenhouse gas is ___ ___. | water vapor |
| The warmest part of the day occurs ___ ___ ___. | well after noon (approximately 3:00 over land 5:00 over sea) |
| Insolation warms water ___ ___ ___ than it warms land. | much more slowly |
| Water ___ ___ longer than land does. | holds heat |
| Conduction | The transfer of heat by direct contact between two objects |
| Convection | Heat transfer by moving currents of hot air (or other fluids) |
| Most of the earth's weather occurs in the ___ as the result of ___ ___. | troposphere, convection currents |
| Vertical movements of air | Updrafts or downdrafts |
| Winds | Horizontal movements of air |
| Adiabatic | Refers to processes in which heat is not transferred |
| Adiabatic heating | In which the temperature of a gas rises as the gas is compressed with no heat loss |
| Adiabatic cooling | The process in which, if no heat is added, the temperature of a gas drops as it expands |
| When a body of air rises, ___ ___ ___. | its temperature drops |
Created by:
nelsonclan
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