Download Weather_Smart_Heat,_Air_and_Pressure_Key

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Date:
Discovery Education Video: Weather Smart: Heat, Wind and Pressure
A) Air is Strong
1) _______Air_____________ is all around us.
2) Air is _____strong___________.
3) Air takes up ______space____________________.
4) Air holds up ____clouds____________________.
5) When ____air_____________ moves, it makes other things move.
6) Moving air is _________wind__________________.
B) Barometers
7) A ________barometer______________ measures air pressure.
8) High pressure usually means ______dry_______________, ________sunny___________ weather.
9) Low pressure is associated with _____cloudy_________________ or _____wet_________ weather.
10) More air is ______squeezed________ around high pressure than low pressure.
11) Air always moves from ______high___________ pressure to _________low___________ pressure.
C) Temperature Affects Air
12) When air gets ______warm__________ it grows and _____spreads_______________ out.
13) When air gets cold, it ______shrinks______________ and takes up ______less_____ space.
14) Cold air takes up less space and gets _________heavy_____________.
15) Cold air has __________high____________ pressure.
16) Warm air has __________low_____________ pressure.
D) Radiation
17) _______Radiation_____________ from the sun is light and heat.
18) The job of wind is to move ______colder_____________ air to ______warmer_________ air.
E) Circulation:
19) Heat, wind and _______pressure_____________ are all tied together.
20) Air moves as _________wind____________ from high pressure to low pressure.
SUMMARY (This part does not come from the video)
____Wind_______________ is caused by the uneven heating of the earth. Cold air has high
______pressure______________ and warm air has _____low_____________________ pressure. Air moves from
high to _____low_________________ pressure. Moving air is called __________wind____________. A large
difference in pressure causes strong _____winds______________ and a small difference in pressure causes gentle
________breezes____________.