click below
click below
Normal Size Small Size show me how
PS Chapter 1
Scientific Inquiry and Graphs
Term | Definition |
---|---|
Science | the study of the natural world |
Observing | using 2 or more senses to get info |
Inference | 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 |
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 | The (0,0) point on a line graph |
Coordinate | A pair of numbers that tell the position of a point |
Data Point | Shows the location of the intersection |
Line of Best Fit | Reflects general pattern of a graph,average of data |
Linear Graph | A graph where data points for a straight line |
Slope | The steepness of a line on a graph |
Nonlinear Graph | A line graph in which the data points do not fall along a straight line. |
Scientific Inquiry | A process that includes the various ways that scientists find out about the natural world and try to explain what they observed. |
Hypothesis | A possible answer to a question that can be tested |
Parameter | Factors that can be measured |
Manipulated Variable | Variable that you can change |
Responding Variable | The variable that changes in response to the manipulated variable |
Controlled Experiment | An experiment where only one variable is controlled at a time |
Data | Facts,figures,and other information gathered from experience |
Qualitative | Observations that have no measurements or numbers |
Quantitative | Observations that have measurements and numbers |
Communicating | When you share your results so others can repeat and check results |
Model | A picture,diagram,or computer image that shows an object or process |
Scientific Theory | A single explanation that connects a large set of related observations or results from experiments |
Scientific Law | A statement that describes what scientists expect to happen every time under a particular set |