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Chapter 1
Science vocab
Term | Definition |
---|---|
science | the study of the natural world |
observing | using one or more of your senses to gather information |
inferring | explaining observations |
predicting | making a forecast of what will happen based off of evidence |
chemistry | properties of matter and how it changes |
physics | study of matter, energy, focus and motion |
scientific inquiry | about the world around you |
hypothesis | possible answer to a question |
parameters | factors that can be measured |
data | facts,figures, and other info. gathered from the experiment |
quantitative data | has measurements |
qualitative data | data that has no measurements |
conclusions | when the hypothesis is right or wrong |
communicating | share your results |
model | a picture, diagram, computer image, or other representation of an object or process |
scientific theory | well tested tested explanation of observation |
scientific law | scientists expect to happen every time |
graph | shows correlation |
horizontal axis | graph line that runs left to right |
vertical axis | graph line that runs up and down |
manipulated variable | the variable that is changed |
responding variable | changes because of another variable change |
controlled variable | only one parameter is manipulated at a time |
origin | (0,0) |
coordinate | a pair of numbers that tell the position of a point |
data point | shows the location of intersection of data |
line of best fit | reflects general pattern of a graph |
linear graph | graph where data points form a straight line |
slope | Rise=y2-y1 Sun=x2-x1 |
nonlinear graph | does not fall along a straight line |