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Needed to heat earth
not the cause of global warming |
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| different in hemispheres because of water |
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| Kinetic energy vs Potential |
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Definition
Kinetic=hammer and nail
Potential=potential to do work |
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| the fraction of light that is reflected by a body or surface |
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Definition
All matter emits radiation
hotter objects=more total energy per unit and shorter wave length of max radiation |
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Definition
| perfect absorber/emitter of radient energy |
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Definition
| radiates in the visible spectrum, Most Intense |
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| energy is transferred by the mass motion of groups of molecules resulting in transport and mixing of properties |
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Definition
energy is transferred by the direct contact of molecules
air=bad conductor=insulator |
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Definition
no medium to travel through
classified by wave length |
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| the energy that flows b/w two substances that do not have the same temp |
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| measure of the average motion of atoms of molecules in a substance |
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Definition
solid
liquid
gas
made of atoms or molecules
all have motion |
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Higher (in the sky) in summer
Lower in winter |
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Definition
movement around another body
365 days (avg)
orbit~150mil km
147 mil km-perihelion-jan
152 mil km-aphelion-july |
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Term
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Definition
Movement on an axis
24hrs (avg)
all planets have rotation |
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Definition
| Daily Mean-Plant Base Temp=GDD |
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Definition
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Term
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Definition
1941
Skin Does drop to wind chill index
exposed body parts lose heat at a rate equivalent to the wind chill temp |
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| diff. of Cold and Warm months |
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| sum of daily means divided by the # of days of the month |
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| Lines of equal temp usually in 5-10 degree intervals |
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| How clouds affect temperature |
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Definition
energy reflects off clouds, back toward the sky during day (so cooler), back toward land at night (so warmer)
clearer days have wider temp range (warmer days and cooler nights) |
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Term
| How Geographic location affects temp |
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Definition
| more direct sunlight hits places near the equator therefore higher temps with smaller variation annually |
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Term
| Differential Heating of Land vs. Water |
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Definition
| Land heats quicker and shallower, water heats slower and deeper |
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Term
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Definition
| 2 metals (usually brass and iron) welded together expand at different rates |
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Definition
| measures wave length, usually in the infrared satellites |
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measures change in resistance
Thermistor-uses ceramics
Thermo-couple-The difference in current b/w two wires |
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Term
| Liquid-In-Glass Thermometer |
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Definition
most common
Mercury/Alcohol
M=-39C-356C
A=-117C-79C |
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Term
| Difference b/w Fahrenheit, Celsius, and Kelvin |
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Definition
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| an object as that which determines the sensation of warmth or cold felt from contact w/ it |
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Definition
Spring=March 21-22
Autumnal=Sept 21-22
12 hrs of sunlight Everywhere |
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Term
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Definition
(N Hemisphere)
Dec 21-22
Vertical rays of sunlight hit tropic of capricorn
s. Hemisphere gets most of the sunlight |
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Term
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Definition
(N. Hemisphere)
June 21-22
Vertical rays of sunlight hitting tropic of cancer
Farther north of equator=more hours of sunlight |
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Definition
80km and up
no defined upper limit
gases move at high speeds
few molecules |
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