explaining matter: molecules in motion - part 13 of 14. shows that the rate of molecular movement determines whether matter exists in a solid, liquid, or gaseous state. molecular movement is increased by heat and decreased by cold - 燒杯 個影片檔及 b 捲影像00:33
operations inside the carlsberg research laboratory as they attempt to climate proof beers ingredients at the carlsberg a/s headquarters in... - 燒杯 個影片檔及 b 捲影像00:48
evidence for molecules and atoms - part 22 of 33. demonstrates that molecules and atoms in solids, liquids, and gases can be proven to exist. five identical appearing liquids react differently, providing evidence of unseen differences in the arrangements - 燒杯 個影片檔及 b 捲影像00:36
water and what it does - part 3 of 19. water is composed of tiny, constantly moving particles, exiting in three states - solid, liquid, or gas. demonstrates the mechanisms of dissolving, evaporation, condensation, freezing, and expansion - 燒杯 個影片檔及 b 捲影像00:27
work of the kidneys - part 13 of 19. describes structure and function of the renal system, and explains how the kidneys maintain uniformity in blood and tissues. demonstrates, with animated drawings and laboratory experiments, the formation of urine, regu - 燒杯 個影片檔及 b 捲影像00:27
scientist dropping chemical in test tube for science experiment in laboratory - 燒杯 個影片檔及 b 捲影像00:09水滴
"science fights 'white scourge' & "a public service report, the tb drugs" superimposed on a man and array of glass containers / hoffman-laroche... - 燒杯 個影片檔及 b 捲影像01:24
smoke from dry ice and water leaking from a flask on black background and the reverse - 燒杯 個影片檔及 b 捲影像01:57
research and experiments conducted in chemistry and medicine in midlands / united kingdom - 燒杯 個影片檔及 b 捲影像01:17
laboratory showing scientists testing the desalination of water in scotland / united kingdom - 燒杯 個影片檔及 b 捲影像00:33
scientist in a lab studying effects of tar from cigarette smoking / united kingdom - 燒杯 個影片檔及 b 捲影像00:23
lab technician testing soil samples in beakers with an electrode and digital computer / england, united kingdom - 燒杯 個影片檔及 b 捲影像00:34
officer candidates chemically testing boiler water in a laboratory and attending a turbine lecture at the maritime service officers' school /... - 燒杯 個影片檔及 b 捲影像00:56
scientists heating fluidized coal and drawing it into a glass container / united kingdom - 燒杯 個影片檔及 b 捲影像00:36
scientist measuring liquids and medication bottles rolling through a factory assembly line / united kingdom - 燒杯 個影片檔及 b 捲影像00:06
1958 montage scientist placing beakers containing bean seedling parts into radioactivity measurement chamber / united states - 燒杯 個影片檔及 b 捲影像00:19
1930s montage men in lab handle dust in hands before pouring beaker of liquid onto the contents / washington, d.c., united states - 燒杯 個影片檔及 b 捲影像00:38
1936 b/w brewing beer with science at anheuser busch brewery in st. louis / missouri, united states - 燒杯 個影片檔及 b 捲影像00:09
1946 ms laboratory technicians working with microscopes and beakers / united states - 燒杯 個影片檔及 b 捲影像00:08
tilt up from shelves of beakers and bottles of liquids to two scientists working in a research lab. - 燒杯 個影片檔及 b 捲影像00:20
medium pan left from shelves of beakers and bottles of liquids to two scientists working in a research lab. - 燒杯 個影片檔及 b 捲影像00:30
