Relacionar Columnas Science ReviewVersión en línea Science Review por Felix Suum 1 A balloon filled with air does not rise as high as a balloon filled with helium gas, telling me that helium gas is ______ dense than air. 2 ________ has mass and volume (takes up ________) 3 A mixture of iron and sulfur can be separated by _______ 4 _______ is the study of matter and the changes in matter. 5 A(n) ________ change (reaction) releases energy, while a(n) _______ change (reaction) absorbs energy. 6 A(n) _____ is the smallest part of a substance. 7 A substance is a single kind of matter that has a specific ________. 8 A(n) ________ is the smallest unit of matter that has the properties of its element. 9 ________ energy naturally flows from warmer to cooler matter, this is what we know as heat or heat flow. 10 A special form of homogeneous mixture that is composed of evenly distributed solute particles in a solvent is called a(n) _______ Homogeneous solution Less Composition Thermal Exothermic, endothermic Chemistry Magnets Matter, space Element Atom 1 Butter melting in a pan is a ________ change where energy is _________. 2 Characteristics of matter are called _________. 3 An object that floats on water has a density _____ than 1-g/mL. 4 Another term for the ability to burn is ________ at temperatures below 37.8 ℃. 5 Compounds are formed as a result of __________ during chemical reactions in a set ratio. 6 Glass breaking, ice melting, and the dissolution of sugar in water are all _______ properties. 7 Both a pool of water and a piece of ice are the same ________, so they have the same ___________. 8 Of the four physical properties, ________ and __________ are derived measurements and must be calculated. 9 An object that sinks in water has a density _____ than 1-g/mL. 10 An object’s weight is 1/6 on the moon as it is on earth. On the moon, the object’s mass ___________. Flammability Substance, composition Physical, absorbed remains the same Less Properties Greater Physical Bonding Volume, density 1 Salt water is an example of a ________ mixture. 2 New substances are produced by a(n) ________ change, while a(n) _________ change does not result in a new substance. 3 Solid, liquid, gas, plasma, quantum foam are the five _______ (states) of matter. 4 One liter is equal to _______ milliliters. 5 Substances in a _______ keep their own properties since they are not chemically combined. 6 The _______ of an object is a measure of the thermal energy (motion of the particles) of a substance. 7 Salad dressing is an example of a ________ mixture. 8 H2SO4 and H2SO3 _______ the same substance. 9 Iron rusting, silver tarnishing, fruit ripening, and combustion are all _________ properties. 10 One milliliter is equal to _______ cubic centimeters. Heterogeneous Homogeneous Chemical 1 Mixture Chemical, physical Are not Temperature Phases 1000 1 The _________ states that in any physical or chemical change, matter is neither created or destroyed, only changed from one form to another. 2 The ability of iron to _______ is a(n) chemical property. 3 The form or appearance of a substance is altered during a(n) ________ change. 4 The actual chemical composition or ratio of atoms is altered during a(n) ________. 5 The amount of matter in an object is a measure of its ______. 6 The amount of space an object takes up is a measure of its _______. 7 The mass of an object is ______, whereas the weight of the same object _____ depending on its location. 8 The chemical ______ for water is H2O and for hydrogen peroxide is H2O2. 9 The chemical _______ for tungsten is W, where Au stands for gold. 10 The energy stored in bonds between atoms is ________ energy, a form of potential energy. Law of Conservation of Mass Formula Chemical change Physical change Same, changes Volume Symbol Chemical Rust Mass 1 The SI unit for weight is ________. 2 The SI unit for mass is kilogram, but the common unit is _______. 3 The physical property that makes metal pots good for cooking is thermal conductivity. 4 The SI unit for volume is liter, but the common unit is _________. 5 The mass per unit volume of an object is a measure of its ______. 6 The SI unit for density is kilogram per cubic meter, but the common unit is __________. 7 The substances in a ________ mixture are evenly distributed and you cannot see the parts. 8 The metal tungsten is used in incandescent light bulbs because of its property of _______ conductivity. 9 The simplest type of substance is a(n) _______, which is made up of atoms, molecules, or compounds. 10 The ratio of each type of atom in sulfuric acid, H2SO4, is __ hydrogen to __ sulfur to __ oxygen. Thermal Homogeneous 2, 1, 4 Gram Density Electrical Element Milliliter Gram per cubic centimeter Newton 1 A(n) gas has ______ a definite volume nor a definite shape. 2 A(n) _________ will always take the shape and volume of its container. 3 The amount of space that matter fills is its _______. 4 The substances in a _______ mixture can usually be seen and are easily separated. 5 _______ is the inward force among the molecules of a liquid. 6 A state of matter with a definite volume, but no _______ shape is a(n) liquid. 7 A(n) ______ has a definite volume and a definite shape. 8 When the atoms in elements ______ to form compounds, their properties _______. 9 The ____ of a gas is represented by the formula f/A, where f = force pushing on the walls of a container and A = area of the walls of the container. 10 The temperature is a measure of the ______ speed of the particles in a substance. Pressure Combine, change Heterogeneous Neither Definite Surface tension Gas Solid Volume Average
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