Home > Flashcards > Astronomy > ASTRONOMY 101

Details Title: ASTRONOMY 101 Description: CHAPTER 5 Total Flash Cards: 14 Created: 08/28/2007 16:39:36	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term TRANSITS OF VENUS Definition FROM THE 17TH CENETURY ONWARD, ASTRONOMERS MADE MORE AND MORE ACCURATE MEASUREMENTS OF THIS TYPE, ESPECIALLY ON RARE OCCASIONS CALLED Term SPECTRAL LINE Definition SCIENTISTS REALIZED THAT THESE ___WERE REALTED TO THE PRESENCES OF VARIOUS TYPES OF ATOMS IN THE SUN'S ATMOSPHERE, A WINDOW FINALLY OPENED TO REAL UNDESTANDING OF THE SUN S NATURE. Term DENSITY Definition MASS PER VOLUME Term ATOM Definition THE SMALLEST UNIT OF A CHEMICAL ELEMENT, CONSISTING OF A NUCLEUS CONTAINING PROTONS AND NEUTRONS PLUS A SURROUNDING CLUD OF ELECTRONS Term NUCLEUS Definition THE CENTRAL CORE OF ATOM CONTAINING PROTONS AND NEUTRONS THAT CARRIES A NET POSITIVE CHARGE Term PROTONS Definition A POSITIVELY CHARGE ATOMIC PARTICLE CONTAINED IN THE NUCLEUS OF AN ATOM. THE NUCLEUS OF A HYDROGEN ATOM Term NEURON Definition AN ATOMIC PARTICLE WITH NO CHARGE AND ABOUT HE SAME MASS AS A PROTON Term ELECTRON Definition LOW MASS ATOMIC PARTICLE CARRYIN A NEGATIVE CHARGE Term MOLECULES Definition TWO OR MORE ATOMS BONDED TOGETHER Term HEAT Definition ENERGY STORED IN A MATERIAL AS AGITATION AMONG ITS PARTICLES Term TEMPERATURE Definition A MEASURE OF THE AGITATION AMONG THE ATOMS AND MOLECULES OF A MATERIAL, THE INTENSITY OF HEAT. Term ABSOLUTE ZERO Definition THE THEORETICAL LOWEST POSSIBLE TEMPERATURE AT WHICH A MATERIAL CONTAINS NO EXTRACTABLE HEAT ENERGY. ZERO ON THE KELVIN TEMPERATURE SCALE. Term ABSOLUTE ZERO Definition THE THEORETICAL LOWEST POSSIBLE TEMPERATURE AT WHICH A MATERIAL CONTAINS NO EXTRACTABLE HEAT ENERGY. ZERO ON THE KELVIN TEMPERATURE SCALE. Term KELVIN TEMPERATURE SCALE Definition A UNIT OF DIANTANCE EQUAL TO 1000 pc OR 3260 ly