the weight of a column of air pushing down on a specific area.
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1 Define the weight of a column of air pushing down on a specific area. Why does air have? air has pressure because it has MASS Vocab words 4-7 barometer aneroid altitude 1
2 mass mass / volume : "weight of air" mercury aneroid without liquid inches of mercury millibars How does altitude effect? Mtn. sea level 2
3 How does altitude effect? as altitude increases (go higher)... Mtn. sea level How does altitude effect? as altitude increases (go higher)... decreases Mtn. sea level 3
4 How does altitude effect? as altitude increases (go higher)... decreases has less mass higher up Mtn. sea level How does altitude effect? as altitude increases (go higher)... decreases has less mass higher up Mtn. How is density effected? density decreases as you go higher sea level 4
5 If you took this cup of water, stuck an index card on the top so that it stuck and formed a seal/vacuum and turned it over... what would keep the water from breaking through the seal of the index card? equal pressure, from top & bottom 5
6 Define pg Define the weight of a column of air pushing down on a specific area. 6
7 Define the weight of a column of air pushing down on a specific area. Q. What causes to make the can expand or the can to "crunch up"? HEAT added HEAT taken away "cold" hot air how would the molecules act? move away from each other what happens to the shape of the balloon? fills it up; it RISES would this create high pressure or low pressure? Low Pressure air temp 7
8 cold air how would the molecules act? move close together to gain HEAT what happens to the balloon? loses air; SINKS would this create high pressure or low pressure? High Pressure air temp Which picture has the most (highest amount) of? mountain top beach Which picture has the least (lowest amount) of? mountain top LEAST beach MOST 8
9 Which picture has the most (highest amount) of? ocean surface underwater Which picture has the least (lowest amount) of? ocean surface LESS underwater MORE Which picture has the most (highest amount) of Density? mountain top beach Density mountain top LEAST LEAST beach MOST MOST 9
10 Which picture has the most (highest amount) of Density? ocean surface underwater Density ocean surface LEAST underwater MOST A WARM AIR front enters Leesport... A. Low Pressure B. High Pressure...similar to a person filling up a balloon with HOT air... 10
11 1. define the weight of a column of air pushing down on a specific area. 2.aneroid A. without air B. without liquid 3. Define altitude elevation, distance above sea level A WARM AIR front enters Leesport... A. Low Pressure B. High Pressure...similar to a person filling up a balloon with HOT air... 11
12 Before people push out shaving cream, they shake the can of shaving cream up...why? Before people push out shaving cream, they shake the can of shaving cream up...why? Shaking the can up creates... A. Low Pressure B. High Pressure 12
13 Before people push out shaving cream, they shake the can of shaving cream up...why? Shaking the can up creates... A. Low Pressure B. High Pressure 13
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