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25 Cards in this Set
- Front
- Back
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Radiation |
the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.
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infrared radiation |
Infrared radiation is a type of electromagnetic radiation, as are radio waves, ultraviolet radiation, X-rays and microwaves. Infrared (IR) light is the part of the EM spectrum that people encounter most in everyday life, although much of it goes unnoticed. It is invisible to human eyes, but people can feel it as heat
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ultraviolet radiation |
ultraviolet radiation definition. Radiation in the part of the electromagnetic spectrum where wavelengths are just shorter than those of ordinary, visible violet light but longer than those of x-rays.
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greenhouse effect |
A phenomenon in which the atmosphere of a planet traps radiation emitted by its sun, caused by gases such as carbon dioxide, water vapor, and methane that allow incoming sunlight to pass through but retain heat radiated back from the planet's surface.
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temperature |
the degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.
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thermal energy |
Thermal energy is the internal energy of an object due to the kinetic energy of its atoms and/or molecules. The atoms and/or molecules of a hotter object have greater kinetic energy than those of a colder one, in the form of vibrational, rotational, or, in the case of a gas, translational motion
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heat |
the quality of being hot; high temperature
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condution |
the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.
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convection |
the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.
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heat |
the quality of being hot; high temperature.
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anemometer |
an instrument for measuring the speed of the wind, or of any current of gas
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sea breeze |
a breeze blowing toward the land from the sea, especially during the day owing to the relative warmth of the land
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land breeze |
a breeze blowing toward the sea from the land, especially at night, owing to the relative warmth of the sea.
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global winds |
These Global Winds are the dominant prevailing wind patterns that blow in a fairly constant, steady direction across our earth. Global winds are comprised of three prevailing winds: Trade Winds, Westerlies, and Polar Easterlies.
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coriolis effect |
an effect whereby a mass moving in a rotating system experiences a force (the Coriolis force ) acting perpendicular to the direction of motion and to the axis of rotation. On the earth, the effect tends to deflect moving objects to the right in the northern hemisphere and to the left in the southern and is important in the formation of cyclonic weather systems.
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jet stream |
bands of high-speed winds about 10 kilometers above earth's surface
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water cycle |
the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration. |
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evaporation |
Evaporation is the process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure. Evaporation is a fundamental part of the water cycle and is constantly occurring throughout nature.
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humidity |
a quantity representing the amount of water vapor in the atmosphere or a gas.
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relative humidity |
the amount of water vapor present in air expressed as a percentage of the amount needed for saturation at the same temperature.
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psychrometer |
psychrometer. noun. An instrument that uses the difference in readings between two thermometers, one having a wet bulb and the other having a dry bulb, to measure the moisture content or relative humidity of air.
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condensation |
The dew point is the temperature at which air is saturated with water vapor, which is the gaseous state of water. ... The relative humidity is 100 percent when the dew point and the temperature are the same. If the temperature drops any further, condensation will result, and liquid water will begin to form
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dew point |
The dew point is the temperature at which air is saturated with water vapor, which is the gaseous state of water. ... The relative humidity is 100 percent when thedew point and the temperature are the same.
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precipation |
any form of water that falls from clouds and reaches earths surface |
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drought |
long periods of low precipitation |
