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chapter 1
| Question | Answer |
|---|---|
| science | the study of the natural world |
| observing | means using one or more scenes to gather information |
| inferring | making a inference |
| predicting | making a forecast of what will happen in the future based on past experience or evidence |
| chemistry | the study of properties of matter and how matter changes |
| physics | the study of matter,energy,motion,and forces and how they interact |
| scientific inquiry | refers to the different ways scientist study the natural world |
| hypothesis | a possible answer to a scientific question or explanation for a set of observation |
| parameter | a factor that can be measured in an experiment |
| manipulated variable | variables that can change on purpose |
| responding variable | is something that the experimenter purposely changes or varies over the course of the investigation. |
| controlled experiment | a test where the person conducting the test only changes one variable at a time in order to isolate the results. |
| data | “facts or pieces of information” |
| communicating | share or exchange information, news, or ideas. |
| model | physical mental visual and other representation of an idea to help people to understand a concept that they do not understand correctly |
| scientific theory | a well tested explanation for a wide range of observation or experimental results. |
| scientific law | is a statement that describes what scientist expect to happen every time under a particular set of conditions. |
| si | for the french systeme international d'unites. |
| weight | is a measure of the force of gravity on you |
| mass | is a measure of the amount of matter on an object contains. |
| volume | is the amount of space on an object's takes up. |
| menicies | a cylinder curve |
| destiny | is a mass per unit volume |
| celsius scale | the temperature scale on which water freezes at 0 degrees and boils at 100 degrees |
| kelvin scale | the temperature scale on which 0 is the temperature at which no more energy can be removed |
| absolute zero | the temperature at which no more energy can be removed from matter |
| estimate | an approximation of a number based on reasonable assumptions |
| accuracy | how close a measurement is to the true or accepted value |
| reproducibility | how close a group of measurements are to each other |
| scientific figures | all the digits in a measurements that have measured exactly plus one digits whose value has been estimated |
| precian | how close a group of measurements are to each other |
| graph | a picture of information from data table;shows the relationship between variables |
| horizontal axis | a line that runs left to right along the bottom of the graph on which the manipulated variable or independent variable is labeled |
| origin | the (0,0) point on a line graph;where the x-axis and y-axis cross on a graph |
| coordinate | a pair of numbers used to determine the position of a point on a graph |
| data port | a point on a graph showing the location of a piece of data |
| line of best fit | a smooth line that reflects the general patterns in a line graph |
| linear graph | a line graph in which the data point yield a straight line |
Created by:
BAELOVER
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