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| A logical approahc to solving problems by observing and colecting data, formulating hypothesis, testing hypothesis, and formulating theories that are supported by data |
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| use of senses to obtain information by making measurments and collecting data |
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| data that is descriptive in nature. example sky is blue |
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| data that is numerical in nature |
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| carrying out a procedure under controlled conditions to make observations and collect data |
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| a specific portion of matter in a given region of space that has been selected for study duiring an experiment or observation |
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| test tube and its contents make a |
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| Fomulation of a Hypothesis |
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| Scientists examine and compare data from own experiemtns to find patterns and relationships |
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| Statements taht apply to a range of information to make one, info can be put into a table, statistics, or organized someway |
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scientists use generalations about data to make this
a testable statemnt
basis for making predictions and for carrying out futher experiments
if-then statements |
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| then part of an if-then statement |
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| prediction that is the basis for testing the experiment |
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| requires experimentation that provides data to support or refute a hypothesis or theory |
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| experimental conditions that remain constant |
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| experimetnal conditions that change, any change observed is usually a result of one |
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| experimetnal conditions that change, any change observed is usually a result of one |
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| when data of experiemtns show the predictions of the hypothesis are successuful, scientists try to make a model to explain it |
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| more than a physcial object, an explanation of how phenomena occur and data or events are related. |
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| Visual, Verbal, Mathmatical |
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| broad generallization that explains a body of facts or phenomena, considered sucessufl if they can predict the results of many new experiments |
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| Kinetic-molecular blank and collision blank |
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| theory and theory, these are important ones to chemistry |
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| something that has magnitude, size, or amount, not the same as a measurement |
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| something that has magnitude, size, or amount, not the same as a measurement |
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| Le Systeme International d' Unites, 1960 adopted by General Conference on Weights and Measures. has seven base units, and most other units are derived from these seven |
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| measure of the gravitational pull on matter |
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| produced by multiplying or dividing standard units, SI base units |
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| produced by multiplying or dividing standard units, SI base units |
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| SI standard unit of this is meters, one kilometer equals 1000 meters, then centimeter |
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| amount of space occupied by an object, derived SI unit is cubic meters M3 |
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| a ration derived from the equality between two differnet units that can be used to convert from one unit to the other |
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| ration derived from the equality between two different units can be used to convert from one unit to the other |
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| a mathematical technique that allows you to use units to solove problems involving measurements |
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| refers to the closeness of measurements to teh correct or accepted value of teh quantity measured |
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| refers to teh closeness of a set of measuremetns of the same quantity made in the same way |
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| is calculated by subtracting the accepted value from the experimental value, dividing the difference by the accepted value, and then multiplying by 100 |
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| in a measurement consists of all the digits known with certainty plus one final digit, which is somewhat uncertain or is estimated |
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| numbers are written in the form M x 10n, where the factor M is a number greater than or equal to 1 but less than 10 and n is a whole humber. |
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| two quantites that to each other if dividing one by the other gives a constant value |
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| two quantitites to each other if their product is constant |
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