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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. |