9I Heating and cooling @ AJHS NZ
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| absolute zero | the temperature at which an object's energy is minimal
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| anemometer | a device that measures wind speed
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| cirrus | wispy, feathery clouds
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| cloud seeding | a method to modify precipitation so some form of precipitation will fall
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| condensation | the process in which water vapor becomes a fluid
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| Conduction | the transfer of energy as heat between particles as they collide within a substance or between two objects in contact.
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| Conductor | a material through which energy can be easily transferred as heat
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| Convection | the transfer of energy by the movement of fluids with different temperatures
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| Convection Current | the flow of a fluid due to heated expansion followed by cooling and contraction. it is formed by the upward movement of warm air and the downward movement of cool air
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| Cooling System | a device that transfers energy as heat out of an object to lower the object's temperature
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| coriolis effect | the way the earth's rotation makes winds curve
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| cumulus | clouds that look like fluffy, rounded piles of cotton
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| dew point | the tempature at which condensation begins
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| droughts | long periods of unusually low precipitation
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| electromagnetic waves | a form of energy that can move through the vaccum of space. They are classified according to wavelength (remember the spectrum?)
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| evaporation | the process by which water molecules in liquid escape into the airas water vapor
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| global winds | winds that blow steadily from specific directions over long distances
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| greenhouse effect | the process in which gases hold heat in the air
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| heat | the transfer of thermal energy from a hotter object to a cooler object
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| Heating System | a device that transfers energy as heat to a substance to raide the temperature of the substance
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| humidity | a measure of the amount of water vapour in the air
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| infrared radiation | has wavelengths that are longer than red light. This type of electromagnetic radiation is not visible, but it can be felt as heat
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| Insulator | a material that is a poor energy conductor
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| jet streams | a type of wind about 10 km abouve the earths surface are bands of high speed winds called _____________.
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| land breeze | the flow of air from the land to a body of water
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| latitude | distance from the equator measured in degrees
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| local winds | winds that blow over short distances
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| precipitation | any form of water that falls from the clouds and reaches earth's surface
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| psychrometer | a device to measure relative humidity. has two thermometers, a wetbulb thermometer and a dry- bulb thermometer.
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| radiation | the direct transfer of energy by electromagnetic waves
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| Refigerant | a substance used in cooling systems that transfers large amounts of energy as it changes state
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| relative humidity | the percentage of water vapor that is actually in the air compared to the maximum amount of water vapor the air can hold at a certain tempature
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| scattering | a process in which dust particles and gases in the atmosphere reflect in all directions
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| sea breeze or lake breeze | a local wind that blows from an ocean or a lake
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| Specific Heat | the amount of energy transferred as heat that will raise the temperature of 1 kg of a substance by 1 K
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| stratus | clouds that form in flat layers
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| tempature | the average amount of energy of motion of each particle of a substance; a measure of the average kinetic energy of all particles within an object
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| heat transfer | conduction, convection, and radiation
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| thermal energy | the total energy of motion in the particles of a substance
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| thermometer | a thin glass tube with a bulb on one end that contains liquid, usually mercury or colored alcohol. air temperature is measured with this.
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| ultraviolet radiation | an invisible form of radiation that is shorter than violet light. it can cause sunburns, eye damage, adn skin cancer
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| Visible light | this type of electromagnetic radiation arrives in the form of colors you can see. it has the medium wavelenghth in this chapter
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| water cycle | the movement of water between the atmosphere and the earth's surface
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| wind | the horizontal movement of air from an area of high pressure to an area of low pressure
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| wind- chill factor | the increased cooling a wind can cause
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Created by:
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