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chapter 1 vocab
| Term | Definition |
|---|---|
| science | the study of the natural world through observations and logical reasons |
| observing | the process of using one or more of your senses to gather information |
| inferring | the process of making an inference, an interpretation based on observations and prior knowledge |
| predicting | The process of forecasting the what will happen in the future based on past experience or evidence |
| chemistry | the study of the properties of matter and how it changes |
| physics | the study of matter,energy motion, and forces and how they interact |
| scientific inquiry | the process of discovery in science |
| hypothesis | a possible explanation for a set observations or answers to a science question |
| parameter | a factor that can be measured in an experiment |
| manipulated variable | the one variable parameter that changes during an experiment |
| responding variable | the variable parameter that changes to the manipulated,or independent variable in an experiment |
| controlled experiment | an experiment in which only one parameter is manipulated at a time |
| data | facts,figures,and other evidence gathered through observations |
| communicating | the process of sharing ideas with others through writing and speaking |
| model | a representation of an object or process |
| scientific thoery | a well tested explanation for a wide rage of observations or experimental results |
| scientific law | a statement that describes what will happen every time under a particular set of conditions |
| SI | International system of units |
| Weight | the force of gravity on an object |
| mass | the amount of matter an object contains |
| volume | amount of space an object takes up, 3-D |
| meniscus | curved water in a graduated cylinder |
| Estimation | an approximation of a number based on reasonable assumptions |
| accuracy | how close the measurement is to the actual value |
| reproducibility | refers to how close a group of measurements are |
| significant figures | measurement include all digits that have been measured exactly |
| percision | measurement with an exactness of the measurement |
| graph | a picture of your data |
| horizontal axis | runs left and right or |
| vertical axis | the point where the two axes cross |
| coordinate | pair of numbers used to determine position of data piont |
| data point | the point showing the location of the intersection |
| line of best fit | the smooth line that reflects the general pattern of the graph |
| linear graph | a line graph which data points yield a strait line |
| slope | steepness of the graph line |
| non-linear graphs | where the data points do NOT follow in a straight line |
Created by:
blundy616956
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