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### 64 Cards in this Set

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• Back
 Symbol for acceleration a symbol for distance or displacement d symbol for density D Symbol for frequency f symbol for force F Symbol for Gravitational Potential Energy GPE symbol for kinetic energy KE symbol for wavelength squiggle w. line volume amount of space occupied by an object mass the amt of matter that something is made up of weight a measure of the gravitational force of an object physical property can be observed or measured w. out changing the identity of the matter density amount of matter in a given space or volume (or mass per unit volume) matter anything that has volume or mass Inertia tendency of objects to resist any change in motion meniscus the curve you see @ a liquids surface gravity the force of attraction between objects due to their masses SYMBOL FOR mass m symbol for volume V formula for density D=m/v what is density an example of? physical property what remains constant during a phase change? temperature states of matter the physical forms in which substances can exist what are the 4 states of matter? solid, liquid, gas, & plasma solid state in which matter has a definite shape and volume liquid state in which matter takes the shape of its container and has a definite volume gas state in which matter changes in both shape & volume pressure amount of force exerted on a given area plasma state of matter that doesnt have a definite shape or volume and whose particles have broken apart crystalline orderly arrangement of atoms amorphous atoms in no particular order formula for average speed v=d/t on earth, what is the rate of objects accelerating towards earth? 9.8 m/s/s how much does a falling object increase its speed every second? 9.8 m/s what does not affect the rate of acceleration? mass of an object formula for work W=Fd the unit for work joules What is mass measured with? a balance What is mass expressed in? kg, g, mg how to measure or determine liquid volume measured in liters (L) and milliliters (mL) by looking at the bottom of the meniscus what is solid volume expressed in? expressed in cubic meters(m^3) & cubic cm(cm^3) unit for solid volume V=length*width*height how is weight measured and what is it measured in? spring scale, newtons(N) compare volume & mass anything w/ volume or mass is matter compare mass & weight mass= matter in object weight= grav force of object relationship between mass and inertia amount of mass affects amount of inertia how do mass & dist. affect force of gravity between objects? smaller mass and longer dist= smaller force of gravity between What are the 5 changes of state? freezing, melting, vaporization, condensation, sublimation difference between exothermic change and endothermic change exo= realease energy endo= takes in energy Fr francium Ra radium Eu europium Pu plutonium solid state in which matter has definite shape and volume liquid state in which matter takes shape of its containerand has definite volume gas state in which matter changes in both shape & volume Boyle's Law for a fixed amt of gas at a constant temp, volume of a gas increases as its pressure decreases Charle's Law for a fixed amt of gas @ a constant pressure, volume of gas increases as its temp increases plasma doesnt have definite shape or volume and particles broken apart Melting soliod to liquid, endothermic freezing liquid to solid, exothermic vaporization liquid to gas, endothermic compare boiling & avaporation boiling occurs throught liquid, evap occurs on surface of liquid sublimation solid to gas, endothermic