Mill Creek M.S. Word Scramble
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Question | Answer |
matter | anything that has mass and occupies space |
characteristics properties | a quality of a substance that never changes and can be used to identify the substance |
boiling point | the tempreture at which a substance changes from liquid to gas |
physical change | a change in a substance that does not change its idenity;i.e:a change of state chemical change : a change in which one or more substances combine or break apart to form new substances |
chemical change | a change in which one or more substances combine or break apart to form new substances |
chemical activity | a charecteristic property of a substance that indicates its ability to undergo a specific chemical change |
mixture | two or more substances that are mixed together but not chemiclly combined |
solution | a well mixed mixture |
pure substance | a substance made of only one kind of matter and having definite properties |
element | a substance that cannot be broken down into other substances by chemical or physcial |
compound | a substance made of two or more elements chemically combined |
mass | a measure of how much matter is in and object |
weight | a measure of the force of gravity on an object |
volume | the amount of space that matter occupies |
density | the measurement of how much mass of a substance is contained in a given volume |
international | system of units : (SI) the system of units used by scientist to measure the properties of matter |
atom | the smallest particle of an element |
chemical bond | the force that holds two atoms together |
molecule | a combination of 2 or more atoms |
solid | a state of matter that has a definite volume and a definite shape |
liquid | a state of matter that has no deffinite shape but has a definite volume |
gas | a state of matter that has no deffinte shape or volume |
thermal energy | the total energy of a substance's particles due to their movement or vibration |
chemical energy | a form of energy that comes from chemical bonds |
law of conservation of matter | the principle that the total amount of energy remains the same during physical or chemical change |
melting | the change of state from a solid to a liquid |
freezing | the change in state from a liquid to a solid |
vaporization | the cahnge of state from a liquid to a gas |
evaporation | the process that occurs when vaporaztion takes place only on the surface of a liquid |
boiling | the process that occurs when vaporazation takes place inside a liquid as well as on the surface |
condensation | the change of state from a gas to a liquid |
chemical reaction | a process in which substances undergo chemical changes, forming new substances with differnt properties |
Created by:
cbolthouse
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