Relier Pairs Science Exam ReviewVersion en ligne This is a game for the science final exam par Cole Burgwyn 1 A ____ change absorbs energy, so the environment gets cooler 2 ______ has mass and volume (takes up space 3 ______ is the study of matter and changes in matter 4 A balloon filled with air does not rise as high as a balloon filled with helium gas, telling me helium is _____ dense than air 5 A special form of homogeneous mixture that is composed of evenly distributed solute particles is called a _____ 6 A substance is a single kind of matter that has a specific ____ 7 A mixture of iron and sulfur can be separated by _______ 8 A ____ change releases energy, so the environment gets warmer 9 _____ energy flows from warmer to cooler matter, this is what we know as heat or heat flow. 10 A ____ is the smallest part of a substance exothermic composition endothermic atom Chemistry Matter Thermal magnets homogeneous solution less 1 An ______ is the smallest unit of matter that has the properties of its element. 2 An object that floats on water has a density _____ than 1-g/mL 3 Mass, volume, length, and density are four example of _________ in matter 4 Butter melting in a pan is a _______ change 5 Another term for the ability to burn at temperatures below 37.8 C is ______ 6 An object that sinks in water has a density _______ than 1-g/mL 7 Compounds are formed as a result of ______ during chemical reactions in a set ratio 8 Both a pool of water and a piece of ice are the same ______ so they have the same properties 9 Characteristics of matter are called _____ 10 An object's weight is 1/6 on the moon as it is on earth. On the moon, the object's mass ________ flammability physical properties greater less properties physical (endothermic) element remains the same bonding substance, specifically compound 1 Salt water is an example of a _______ mixture 2 One liter is equal to _____ milliliters 3 One milliliter is equal to ___ cubic centimeter 4 The ______ of an object is the measure of thermal energy in that object 5 Solid, liquid, gas, plasma, and quantum foam are the five ______ (states) of matter 6 Glass breaking, ice melting, and the dissolution of sugar in water are all _____ properties 7 Substances in a _____ keep their properties because they are not chemically combined 8 Chemical changes produce ____ substances while physical changes do not 9 Iron rusting, silver tarnishing, and fruit ripening are all examples of ______ properties 10 Salad dressing is an example of a __________ mixture mixture chemical phases physical heterogeneous homogeneous temperature 1,000 1 new 1 The amount of space an object takes up is the object's _____ 2 The ability for iron to rust is a _____ property 3 The chemical _____ for water is H2O and hydrogen peroxide is H2O2 4 The mass of an object is ______ 5 The chemical _____ for Tungsten is W, and Au is for gold 6 The energy stored in _____ between atoms is chemical energy, a form of potential energy 7 Only the appearance is altered in a ____ change, whereas new substances are produced in a chemical change 8 The weight of an object ______ depending on location 9 The Law of __________ states that matter cannot be created or destroyed, only changed from one form to another 10 The amount of matter in an object is the object's ___ volume bonds Conservation of Mass formula changes symbol physical chemical mass constant 1 The physical property that makes metal pots good for cooking is thermal _______ 2 The common unit for density is ____ 3 The metal Tungsten is used in light bulbs because of its property of ____ conductivity 4 The SI unit for volume is ____ 5 The SI unit for density is ____ 6 The common unit for mass is ____ 7 The SI unit for mass is the_____ 8 The common unit for volume is ______ 9 The mass per unit volume of an object is its ____ 10 The SI unit for weight is ____ cubic centimeter or milliliter gram per cubic centimeter Newtons electrical kilogram kilogram per cubic meter cubic meter or liter conductivity density gram 1 ______ is the inward force among the molecules of a liquid 2 The substances in a _______ mixture can usually be seen and are easily separated 3 A state of matter with a definite volume and no definite shape is a ______ 4 The ____ of a gas is represented by the formula f/A 5 When the atoms in an element combine to form compounds, their _____ change 6 A ____ will always take the shape and volume of its container 7 The _____ is a measure of the average speed of the particles in a substance 8 The simplest type of substance is an _____ which can form atoms, molecules, and compounds 9 The substances in a ______ mixture are so evenly distributed that you can't see the parts 10 A _____ has a definite volume and a definite shape pressure properties liquid solid Surface tension homogeneous element temperature heterogeneous gas 1 Particles of a _____ have the greatest thermal energy 2 _____ is an example of an amorphous solid 3 The temperature at which liquid turns to gas is its _______ 4 A _______ solid has a melting point range 5 Freezing occurs when the particles in a liquid _____ enough energy to take on fixed positions 6 A ______ solid has a definite melting point 7 Both gases and liquids are ______ 8 Sublimation and _______ both happen at the surface of a substance 9 The process where bromine gas touches a surface and becomes crystals is ________ 10 The process that make since cubes shrink as they sit in a freezer is called _______ amorphous crystalline lose fluids sublimation evaporation deposition glass boiling point gas 1 Vaporization is the reverse process of ______ 2 Water particles in a gas coming off the pan are moving _____ than the water particles in the pan 3 Boiling and evaporation are the two types of ______ 4 Mendeleev created the first periodic table by arranging the elements by increasing _____ 5 The temperature at which a liquid turns to solid is its _____ 6 ______ is the reverse process of freezing 7 The atomic number of an element is the number of _____ it has 8 _____ occurs at any temperature when a liquid become a gas at the surface of a substance 9 As a result of Rutherford's gold foil experiment, scientists learned that an atoms positive charge must be concentrated in the ____ of an atom 10 _____ occurs at a specific temperature when a liquid becomes a gas on and beneath the surface of a liquid faster atomic mass freezing point nucleus protons melting Boiling condensation Vaporization evaporation 1 Elements in the same ___ on the periodic table will have similar properties 2 _____ are malleable, ductile,and carry an electric current 3 The elements that do not react to form compounds under normal circumstances are the _______ 4 Beta radiation consists of particles that are identical to _____ 5 The two most common alkaline earth metals are calcium and _______ 6 Measurements of ______ make radioactive elements useful in determining the ages of rocks and fossils 7 The most reactive metals are the ______ metals found in group 1 8 _____ elements on the periodic table are metals 9 You can predict an element's ___________ based off its position in the periodic table 10 At room temperature more than half of the nonmetal elements are ____ magnesium metals characteristic properties electrons gas half-life most noble gases group alkali 1 ______ orbit the nucleus of an atom 2 In an atom, the number of protons and electrons are _____ 3 A material that is ______ can be pulled or drawn into a long wire 4 Fluorine, chlorine, bromine, and iodine are all part of the ______ family 5 The atomic nuclei of unstable isotopes release fast moving particles and energy in a process called _________ 6 The _____ is the number of protons in an atom 7 Elements in the same row on the periodic table have _____ properties that change in a pattern 8 ______ have properties of both metals and nonmetals 9 The half life of a radioactive isotope is the amount of time it takes for half of the atoms to _____ 10 Electrons are _____ charged particles in an atom decay Metalloids radioactive decay negatively halogen Electrons ductile equal periodic atomic number
Match the key terms descriptions to the Balance Sheet and Income Statement classifications