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General Science 2
week 2 vocabulary
| Term | Definition |
|---|---|
| control group | serves as the comparison in an experiment. |
| inference | an idea or conclusion that's drawn from evidence and reasoning. |
| investigation | a quest to find the answer to a question using the scientific method. |
| model (scientific model) | a representation of an idea, an object or even a process or a system that is used to describe and explain phenomena that cannot be experienced directly. |
| dependent variable | is the variable observed during the experiment, and used to collect data during the experiment. |
| independent variable | is the variable that is deliberately changed by the scientist. |
| theory (scientific theory) | Explanation of the natural world repeatedly confirmed through experimentation. Simply, Why it happens. |
| law (scientific law) | A statement ( without explanation on why) based on repeated experimental observations that describes some aspects of the universe. Simply, What happens. |
| valid | It shows how well the results of an experiment reflects the reality it claims. |
| experimental group | everything is the same as the control group, except one variable is different. |