home *** CD-ROM | disk | FTP | other *** search
/ Eyewitness: Encyclopedia of Science / Mac_DorlingKindersley_EyewitnessEncyclopediaOfScience.iso / mac / PHYS / AIRX / AIRX002P.DIB (.png) < prev    next >
Bitmap Image  |  1995-06-29  |  91KB  |  510x394  |  8-bit (193 colors)
Labels: cake | earth | person | pizza | sculpture | sky | windowpane
OCR: ATMOSPI HERIC PRESSURE HE EARTH'S atmosphere is made up of gases. The force ol gravity Air sinks Air absorbs pulls the gases downward that the moisture atmosphere most dense at the Earth surface. The pressure Air condenses the gases acting on objects ai into cloud the Earth surlace is called atmospheric pressure. Cold air more dense High and than warm air sinks, low pressure crea ting areas of high Cold a sinks press uure Warm alt rises creating bigh low leaving pressure behind When areas weather often Warm pressure, brings ar which rises fine moist warm ar rises creating low pressure, which and cools, the water may bring coldness or rain vapor in condenses to form Air rises clouds, and sometimes rain. BARCMETERS ahsorbs Farth creatino wbich wbict BAROME