Bell Ringer  What causes air pressure to change?

Wind  ________= ____________of _____from area of high ____________to area of _______pressure  -caused by ___________in ___________due to __________heating of ______  -pressure—_______increase = pressure __________  Temp decrease = pressure increase  __________increase = pressure_________ Wind movementair pressurelow differences pressureunequal air temp decrease Humidity increase Elevation decrease

Local Winds  _______from _____direction, ______distances  _____breeze = flow of air from ______to______  _______breeze = flow of air from _____to_____  *during _______air over _____is ________than air over______, so it_______. The ________air over the ________moves _____to take its place.  *water warms _________than land  (DIAGRAM—include sun and moon) Blow anyshort Sea landsea Landlandsea night sea warmer land rises cooler landin slower

Air Pressure  Air Pressure = the _________that the air in the atmosphere ________on the__________ force exertsearth

FACTORS THAT INFLUENCE AIR PRESSURE  ____________when the temperature of a fluid is_________, the molecules spread________, causing the fluid to be _______dense; therefore, __________air pressure.  *__________temp = __________ air pressure Temperature- heated apart lesslowering increasedecrease

 ____________water vapor molecules have a ________less than that of other gas molecules in the air; so, __________water _______in the air, ________the mass of the_____, thus lowering_________  *________water vapor = __________pressure Water Vapor- mass increasing vaporlowers airpressure increase decrease

 _________as elevation_________, the air gets _________(______molecules per area); thus __________the air pressure  *_________elevation/altitude; ___________air pressure Elevation-increases thinner less lowering increase decrease