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### 23 Cards in this Set

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 matter anything that has mass and volume or anything that has mass and takes up space e.g., air and a balloon both have matter (mass and volume) volume the space an object occupies a measure of the size of a body or region in 3-dimensional space three ways to measure volume 1) V = lwh (e.g., book) 2) graduated cylinders (liquids) 3) container it can fill (gas) mass the quantity of matter contained in that object a measure of the amount of matter in an object; a fundamental property of an object that is not affected by the forces that act on the object, such as the gravitational force Name two physical properties that characterize matter. Mass and volume How does mass differ from weight? Weight depends on gravity, while mass does not. Mass measures the quantity of matter in an object [no matter where it is in the universe]. The weight of an object is the force produced by gravity acting on mass (the quantity of matter). weight the force produced by gravity acting on mass. a measure of the gravitational force exerted on an object; its value can change with the location of the object in the universe. balance device used for measuring mass in a laboratory newtons the way scientists express forces unit a quantity adopted as a standard of measurement e.g., milliliters quantity something that has magnitude, size, or amount e.g., volume SI Systeme Internationale d'Unites (length (meter), mass (kilogram), time (second), thermodynamic temperature (kelvin), amount of substance (mole), electric current (ampere), and luminous intensity (candela) conversion factor a ratio that is derived from the equality of two different units and that can be used to convert from one unit to the other derived unit Units that are derived by multiplying or dividing base units. 1L = 1000 mL = 1000 cm^3 1mL = 1 cm^3 physical property a property that can be determined without changing the nature of the substance. a characteristic of a substance that does not involve a chemical change, such as density, color, or hardness. The properties of a substance may be classified as: 1) physical 2) chemical Describe table sugar (sucrose) using physical properties. 1) color--white 2) state--solid 3) gritty texture 4) melting point 5) boiling point EX air -- colorless Describe matter qualitatively heavy, light, rough, and smooth color, texture descriptions Describe matter quantitatively with numbers density the ratio of the mass of a substance to the volume of the substance; often expressed as grams per cubic centimeter for solids and liquids and as grams per liter for gases density formula mass density = -------- volume