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Ch 2 Weather Factors

QuestionAnswer
What are electromagnetic waves? A form of energy that can travel through space
In what form does most of the energy from the sun reach earth in? In the form of visible light and infrared radiation, and a small amount of ultraviolet radiation.
What is infrared radiation? Infrared radiation is a form of energy with wavelengths that are longer than red light.
What is ultraviolet radiation? Ultraviolet radiation have wavelengths that are shorter than violet light.
What happens when Earth's surface is heated? It radiates some of the energy back into the atmosphere as infrared radiation.
What is the greenhouse effect? Gasses form a "blanket" around earth that holds in heat from the atmosphere.
What is thermal energy? The total energy of motion in the molecules of a substance is called thermal energy.
What is temperature? Temperature is the average amount of energy of motion in each molecule in a substance.
What is heat? The energy transferred from hotter objects to cooler objects is referred to as heat.
Heat is transferred in what three ways? Radiation, conduction and convection.
What is conduction? The direct transfer of heat from one substance to another that is touching it is called conduction.
What is convection? The transfer of heat by the movement of fluid.
What is an anemometer An anemometer has three or four cups mounted at the ends of spokes that spin on an axle.
What is the wind-chill factor? The increased cooling the wind can cause is the wind-chill factor.
What are local winds? Local winds are winds that blow over a short distance of land.
What is sea breeze? Cool air blows in from the ocean and moves underneath warm air.
What is land breeze? The flow over air to a body of water from land.
What is a monsoon? Sea and land breezes over a large region that change direction with the seasons.
What are global winds? Winds that blow steadily from specific directions over long distances.
What is the Coriolis effect? The way the Earth's rotation makes winds curve.
What is Latitude? Latitude is the distance from the equator measured in degrees.
What is relative humidity? The percentage of water vapor in the air is relative humidity.
What is dew point? The temperature at which condensation begins.
What are cumulus clouds? Clouds that look like fluffy piles of cotton.
What are stratus clouds? Clouds that form in flat layers.
What are cirrus clouds? Wispy, feathery clouds.
What is precipitation? Any form of water that falls from clouds and reaches earths surface.
What is drought? Long periods of unusually low precipitation.
Created by: noel.stoncius
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