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Physical Science
What is Physical Science?
| Term | Definition |
|---|---|
| Observing | Gathering information by using your 5 senses |
| Qualitative Observations | observations that don't use numbers or graphs |
| Quantitative Observations | using measurements to make observations |
| Inferring | making a guess based on what you already know |
| Prediction | Making a guess on what will happen based on past experience or evidence. |
| Chemistry | the study of the properties of matter and how matter changes |
| Physics | the study of matter and enrgy and how they interact |
| scientific inquiry | different ways scientists study the natural world |
| variable | factors that can change in an experiment |
| independent (manipulated) variable | the variable that is changed |
| dependent (responding) variablle | the variable that is expected to change because of the manipulated variable |
| controlled experiment | an investigation in which all variables except one remain the same |
| scientific law | a statement that describes what scientists expect to happen every time under a particular set of conditions |
| scientific theory | a well tested explanation for a wide range of observations or experimental results. |