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science 3rd
Term | Definition |
---|---|
Science | the study of the natural world |
observing | use 2 or more senses to get info |
inferring | explain your observation |
predicting | make a statement about the future |
chemistry | properties of matter and how it changes |
physics | study of matter, energy, motion and forces |
scientific inquiry | the process used in scientific thinking and problem solving |
hypothesis | possible answer to a question |
parameter | factors that can be measured |
manipulated variable | independent variable, the factor that you change test X axis |
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, figures and other info gathered from experiment |
communicating | share your results |
model | when can’t observe |
scientific theory | well tested explanation of observation |
scientific law | scientists expect to happen every time |
graph | a picture of your data |
horizontal axis | Graph line that runs left to right |
vertical axis | Graph line that runs up and down |
origin | 0,0 |
coordinate | a pair of numbers that tell the position of a point |
data point | shows the location of the intersection of data. |
line of best fit | reflects general pattern of a graph. |
linear graph | graph where data points form a straight line. |
slope | be inclined from a horizontal or vertical line slant up or down. |
nonlinear graph | data does not fall along a straight line |
data qualitative | relating to, measuring, or measured by the quality of something rather than its quantity. |
quantitative data | relating to, measuring, or measured by the quantity of something rather than its quality. |
responding variable | the variable parameters that is expected to change because of the manipulated variable |