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Description: USES ANIMATION & MECHANICAL MODELS TO EXPLORE THE RELATIONSHIP BETWEEN GAS PRESSURE & MOLECULAR COLLISIONS. SHOWS HOW TEMPERATURE & NUMBER OF MOLECULES PER VOLUME AFFECT PRESSURE. DEVELOPS A QUANTITATIVE RELATIONSHIP AMONG MOLECULAR WEIGHT, MOLECULAR VELOCITY, & ABSOLUTE TEMPERATURE. CHEMISTRY. TWA JET PLANE IN FLIGHT OVER CLOUDS. CLOUDS. MICROSCOPIC VIEW OF WATER DROPLETS. MAN IN SCIENCE LAB WITH LAB COAT & BOW TIE. BEAKERS, SCALES, OTHER SCIENCE EQUIPMENT. TINY PELLETS FLYING AROUND. AVOGADRO'S LAW. MOLECULES. LIQUID NITROGEN. PRESSURE ON SCALE DECREASES. PRESSURE QUICKLY INCREASES. MAN TAPS SCALE. WATER BOILING IN BEAKER. CHART WITH BOILING TEMPERATURES OF DIFFERENT GASES. BEAKER OF ICE WATER. CHART TO MEASURE TEMPERATURE & PRESSURE. PUTS PRESSURE GAUGE INTO DIFFERENT CONTAINERS. MAN TURNS UP GENERATOR. DIFFERENT LEVELS OF LIQUID. CHART WITH MODELS OF MOLECULES OF CERTAIN GASES. MAN DRAWING A GRAPH. BALL BEARINGS

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