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PS Ch.1
Term | Definition |
---|---|
Science | The study of the natural world |
Observing | Use two or more senses to get info |
Inference | Explain your observations |
Predicting | Make a statement about the future |
Chemistry | Properties of matter and how it changes |
Physics | Study of matter, energy, motion, and focus |
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 |
Conclusions | When the hypothesis it right or wrong |
Communicating | Share your results |
Model | When can not be observed |
Scientific Theory | Well tested explanation of observation |
Scientific Law | Scientists expect to happen every time |
Graph | Shows correlations |
Horizontal | x - axis |
Vertical | y - axis |
Manipulated Variable | The factor that you change, x axis, independent |
Responding Variable | Changes because of another variable change, y axis, dependent |
Controlled Variable | Need to be kept constant |
Quantitative Data | Has measurements |
Qualitative Data | No measurements |
Origin | ( 0 , 0 ) |
Coordinate | A pair of numbers that tell the position of a point |
Data Point | Shows the location or 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 | Rise= y2 - y1 Sun = x2 - x1 |
Nonlinear Graph | Does not fall along a straight line |