# Physics Fill in the blank / Short Answer

55 cards

Old quizzes fill in the blank

Created Dec 16, 2010
by
toriforrest

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 Side A Side B 1 (1) The value of the acceleration of an object moving at constant velocity is ___. 0 m/s2 2 (1) A vector quantity has both magnitude and ___ while a scalar has only magnitude. direction 3 (1) State Newton's First Law as completely as possible. An object at rest or in motion will remain in that state until acted on by an unbalanced force. 4 (1)State Newton's Third Law. For every action there is an equal and opposite reaction. 5 (1)What is the contribution of Copernicus early to Astronomy? Sun is the center of the solar system, not the earth. 6 (1) I'm just like you, only ___. Prettier 7 (2) An object will not fall back to Earth if it is thrown horizontally with a velocity of at... 8 km/s18,000 mph 8 (2) ___ provides the centripetal force needed to allow a car to turn a corner. Friction 9 (2) The "American" unit of power is ___. Horsepower 10 (2) Energy is the ability to do ___. Work 11 (2) For an object to be stable (not fall over), its center of mass (gravity) must remain over... Base 12 (2) ___ keeps the planets in their orbits. Gravity 13 (2) If you double your speed, how many times more distance do you need to stop? 4 times 14 (2) Kepler's mother was tried for ___. Witchcraft 15 (2)The metric unit of power is the ___. Watt 16 (2) State Kepler's First Law of planetary motion. The orbit of each planet is an ellipse with the Sun at the focus. 17 (3) The value of atmospheric pressure on you right now is about ___. 15 lb/in2 18 (3) How many neutrons are in the nucleus of a 146C (Carbon - 14)? 14 - 6 = 8 19 (3) If you double the pressure of a gas, what happens to its volume? 1/2 20 (3) A ___ is uesed to measure atmospheric pressure. Barometer 21 (3) Which phenomenon is NOT due to Bernoulli's principle?Fireplace draws smokeAirplane wingsWater... Water skiing 22 (3) How many electrons are in neutral Uranium 23592U (U-235)? 92 23 (3) In a container of fixed volume, what happens to the pressure if you increase the temperature? Pressure increases. 24 (4) Heat transfer that occurs in the absence of a medium across space is called ___. Radiation 25 (4) Heat transfer involving the movement of a cooled or heated fluid is called ___. Convection 26 (4) Heat transfer involving physical contact of two bodies is called ___. Conduction 27 (4) Temperature is an indication of the ___ of molecules. Kinetic Energy (KE)MotionEnergy 28 (4) The non-metric unit of heat amount is the ___. British Thermal Unit (BTU) 29 (4) The temperature of the water in a boiling steam kettle or boiler is ___. 212 degrees F100 degrees C 30 (4) Does the temperature of an expanding gas increase or decrease? Decrease 31 (4) Must heat be added or removed from water vapor for it to condense? Removed 32 (4) Define calorie. Amount of heat E needed to raise 1 gram of water 1 degree C. 33 (4) Define heat capacity of a material. A specific heat in how much heat must be added or removed to change the temperature of 1 gram... 34 (5) In a parallel circuit of light bulbs, each bulb experiences the same ___. Voltage 35 (5) In a standing wave, the ___ is the point where maximal amplitude or motion occurs. Antinode 36 (5) Magnets are made up of small oriented regions called ___. Domains 37 (5) THe thinner the wire the ___ current it can carry. Less 38 (5) Lines of magnetic force come out of the ___ pole. N 39 (6) the value of magnification of a flat mirror is ___. One 40 (6) An optical "device" that utilizes total internal reflection is a ___. PrismOptical FiverPentax CameraBinoculars 41 (6) When light enters a medium of higher refractive index, it bends ___ the perpendicular to... Toward 42 (6) For a convex mirror where the object is placed "outside" the focal point (further from... VirtualBehindSmaller 43 (6) For a convex lens where an object is placed outside the focal point further from the lens... RealInvertedOpposite side 44 (7) Isotopes of an element differ in their ___. Number of neutronsAtomic Mass 45 (7) After three half lives, what fraction of a radioisotope amount is remaining? 1/2 X 1/2 X 1/2 = 1/8 46 (7) 23892U has how many neutrons? 238 - 92 = 146 47 (7) What form of ionizing radiation is the most penetrating? r or v 48 (7) Which has more energy- a photon of UV light or a photon of infra-red light? UV light 49 (7) Roentgen discovered ___. x-rays 50 (7) The Curies discovered which element? RodiumRadonThorium 51 (7) A ___ is a positively charged electron from the nucleus. Positron 52 (7) How many naturally occurring elements are there? 92 53 (7) J.J. Thompson proposed the ___ model of the atom. Plum Pudding 54 (7) Give a way to detect radioactivity. GeigerCrystalsFilmBubble cloudScintillation 55 (7) When an electron goes from a higher energy to a lower energy level, it emits a ___. Photon