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Scimeth & Measure
Test Review
| Term | Definition |
|---|---|
| Scientific Inquiry | the diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather |
| Hypothesis | a possible explanation for a set of observations or answer to a scientific question. |
| Variables | factors that can change in an experiment |
| Controlled experiment | An experiment in which only one variable is manipulated at a time |
| Independent or Manipulated Variable | one variable that is purposely changed to test a hypothesis |
| Dependent or Responding Variable | The factor that may change or will be measured in response to the manipulated variables |
| Data | the facts, figures, and other evidence gathered through observations |
| Communicating | sharing of ideas and experimental findings with others through writing and speaking |
| scientific theory | a well-tested explanation for a wide range of observations or experimental results |
| scientific law | a statement that describes what scientists expect to happen every time under a particular set of conditions |
| scientific literacy | understanding basic scientific terms and principles well enough that you can evaluate information, make personal decisions, and take part in public affairs. |
| Metric system | system of measurement based on the number 10. |
| SI | Modern scientists use a version of the metric system called the International System of Units |
| meter | The basic unit of length in the SI system |
| Kilogram | The basic unit of mass in the SI system |
| Liter | The basic unit of volume in the SI system |
| Second | The basic unit of time in the SI system |
| Weight | measure of the force of gravity acting on an object |
| Placebo | a substance that has no therapeutic effect, used as a control in testing new drugs |