uses experiments and animation to show heat as the energy of molecular action. illustrates the transfer of heat by conduction, convection and... - 物理學 個影片檔及 b 捲影像00:32
the atmosphere in motion - part 9 of 34. the invisible forces that keep the atmosphere in continuous circulation can be visualized in this film. convection cells, the coriolis effect, and the composition and structure of the atmosphere are all revealed th - 物理學 個影片檔及 b 捲影像00:36水滴
the atmosphere in motion - part 22 of 34. the invisible forces that keep the atmosphere in continuous circulation can be visualized in this film. convection cells, the coriolis effect, and the composition and structure of the atmosphere are all revealed t - 物理學 個影片檔及 b 捲影像00:30
the atmosphere in motion - part 18 of 34. the invisible forces that keep the atmosphere in continuous circulation can be visualized in this film. convection cells, the coriolis effect, and the composition and structure of the atmosphere are all revealed t - 物理學 個影片檔及 b 捲影像00:27
explaining matter: molecules in motion - part 14 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 - 物理學 個影片檔及 b 捲影像00:30氣球, 情緒壓力
evidence for molecules and atoms - part 20 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 - 物理學 個影片檔及 b 捲影像00:34
evidence for molecules and atoms - part 6 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 o - 物理學 個影片檔及 b 捲影像00:31
what is space? - part 10 of 16. there is space everywhere - on and around the earth - all of which is occupied. space between the sun and earth is filled with light and heat. a filmed trip through space by helicopter and by rocket conveys the tremendous e - 物理學 個影片檔及 b 捲影像00:30
after two years of cancellation due to covid, the traditional nobel banquet is once again held in stockholm's city hall on saturday evening,... - 物理學 個影片檔及 b 捲影像04:00
what is uniform motion? - part 15 of 23. an object moving with a uniform motion moves in a straight line with a constant speed, covering equal distances in equal times - 物理學 個影片檔及 b 捲影像00:31氣球
what is electric current? - part 14 of 23. points out there is an electric current only when electricity has a complete circuit through which to flow; that electricity can flow in either direction; that electric current is a flow of electric charges which - 物理學 個影片檔及 b 捲影像00:25
close-up elementary student looking at teeth and skull model and writing note on notebook in laboratory at private school. - 物理學 個影片檔及 b 捲影像00:10
atlas (a torodial lhc apparatus) detector construction at cern (the european particle physics laboratory) near geneva, switzerland - 物理學 個影片檔及 b 捲影像00:45
asian little boy and girl conducting a scientific experiment laboratory at the school - 物理學 個影片檔及 b 捲影像00:12
scientists of kiev institute of physics and technology working on atom nucleus splitting - 物理學 個影片檔及 b 捲影像00:23
instructor explaining the details of a turbine rotor, students studying pressure in a physics class, and participating in machine shop class at the... - 物理學 個影片檔及 b 捲影像01:11
teacher in a classroom teaches his students in mathematics / alameda, california, united states - 物理學 個影片檔及 b 捲影像00:49
workers surveying land and technicians processing information on seismic computers / united kingdom - 物理學 個影片檔及 b 捲影像00:36
scientists working in laboratory, using mechanical arms to manipulate experiments behind protective glass / united kingdom - 物理學 個影片檔及 b 捲影像00:06
doctor arranging patient and equipment to treat cancer with radiation / united kingdom - 物理學 個影片檔及 b 捲影像00:22
downtown cityscape and discussion of trapped radon gases and airborne particles / united kingdom - 物理學 個影片檔及 b 捲影像00:18
patient being injected with short half-life radioactive material and undergoing medical stress test under a doctor's supervision / united kingdom - 物理學 個影片檔及 b 捲影像00:31
scientist monitoring mechanical control arms in radiation experiment / united kingdom - 物理學 個影片檔及 b 捲影像00:31
demonstration of the safety measures taken to control a criticality reaction / united kingdom - 物理學 個影片檔及 b 捲影像00:35
animated graphics showing an atom's electrons, neutrons, protons and nucleus / united kingdom - 物理學 個影片檔及 b 捲影像00:44
