Homework 8
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| Metals are both good heat and electrical conductors due to | show 🗑
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| show | Poor Insulator
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| Your toes feel warmer on a rug than on a tile floor because the rug | show 🗑
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| If you were caught in freezing weather with only a candle for warmth, you would be warmer in | show 🗑
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| show | Slows heat transfer
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| The process of convection occurs in | show 🗑
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| show | Cools
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| show | Cooler
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| Convection currents in the air near a seashore are produced by | show 🗑
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| show | Kelvin temperature of the emitter
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| Objects that are good radiators generally | show 🗑
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| The higher the temperature of an object, the | show 🗑
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| show | A blue-hot star
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| show | Shorter the wavelength
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| show | Black Pot
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| An object will normally be a net radiator of energy when its temperature is | show 🗑
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| If air were a better conductor than it is, nighttimes on Earth would be | show 🗑
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| show | Good emitter of radiation
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| show | Poor absorber of radiation
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| Suppose you want to save energy and you're going to leave your warm house for a half hour on a cold day. You should turn the thermostat | show 🗑
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| show | Has a higher temperature than the Earth
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| show | Warming and Cooling
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| A can of soft drink will cool faster if placed in what part of a refrigerator? | show 🗑
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| A red-hot piece of iron will cool faster in a | show 🗑
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| If the greenhouse effect on Earth were absent, Earth's average temperature would be about | show 🗑
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| show | Visible Light
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| Glass in a florist's greenhouse blocks radiation of | show 🗑
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| show | Temperature
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| show | Radiation
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| When evaporation occurs in a dish of water, the molecules left behind in the water | show 🗑
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| show | The more energetic molecules are able to escape the liquid.
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| Sublimation is a change of phase from solid to gas without | show 🗑
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| show | Condensation
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| A hot dog pants | show 🗑
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| show | Cool themselves by evaporation
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| show | Cool the water
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| show | Prevent boiling
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| n the mountains, water boils at | show 🗑
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| When salt is introduced to water, the temperature at which freezing occurs is | show 🗑
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| show | Boil them for a longer period of time
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| Melting and freezing are | show 🗑
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| show | Steam
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| show | Releases energy
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| We are warmed by condensation because water molecules in the air striking our bodies | show 🗑
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Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
akozlowski