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# 1.5 Science

### Science Study

TermDefinition
Graphs a diagram representing a system of connections or interrelations among two or more things by a number of distinctive dots, lines, bars, etc.
Horizontal Axis a reference axis, usually horizontal, of a graph or two- or three-dimensional Cartesian coordinate system along which the x-coordinate is measured. x-axis in Science
Vertical Axis Also called axis of ordinates. The axis, usually vertical, along which the ordinate is measured and from which the abscissa is measured
Origin The 0,0 point on a line graph, the point 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 Point A point on a graph showing the location of a peice of data.
Line of best fit A smooth line that reflects the general pattern in a graph
Linear Graph A line graph in which the data point yield a straight line
Slope The steepness of a line on a line graph, equal to its vertical chang divided by its horizontal change.
Non-linear graph A graph in which the data points do not fall in a straight line
Science The study of the natural world through observations and logical reasoning
observing the process of using one or more sense
inferring The process of making an inference an interpretation based on observations
predicting the process of forecasting what will happen in the future
chemistry the studies of properties of matterand how it changes
physics the study of matter, energy, motion, and forces and how they react.
scientific inquiry the ongoing process of discovery in science
hypothesis a possible explanation for a set of observations and an answer to a scientific question
parameter a factor that can be measured in an experiment
manipulated variable the one variable that a scientist changes
responding variable variables that change due to the manipulated variable
controlled experiment An experiment where only one parameter is changed at a time
data facts figures and other evidence
qualitative data data that does not use numbers
quantitative data data which uses numbers
model A representation of an objest
scientific theory a well tested explanation for experimental results
scientific law a statement which describes what a scientist expects to happen
graph a picture of information
Created by: Xprz2103