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science 3rd

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
Created by: dbeltran