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Natural Resources
vocab
| Question | Answer |
|---|---|
| Science | a way of learning more about the natural world |
| Scientific theory | an attempt to explain a pattern observed repeatedly in the natural world |
| Scientific law | a rule that describes a pattern in nature |
| Technology | practical use of science or applied science |
| System | collection of structures cycles and processes that relate to and interact with each other |
| Life science | the study of living systems and the ways in which they interact |
| Earth science | the study of earth systems and the systems in space |
| Physical science | the study of matter and energy. |
| Hypothesis | a reasonable and educated possible answer based on what you know and what you observe |
| Infer | to draw a conclusion based on what you observe |
| Controlled experiment | changing one factor and observing its effect on another while keeping all other constant |
| Variable | Factors that can be changed in an experiment |
| Constant | factors that are not changed in an experiment |
| Dependent variable | the factor measured or observed during an experiment |
| Independent variable | the factor that you want to test |
| Model | any representation of an object or an event used as a tool for understanding the natural world |
| Physical model | model that you can see and touch |
| Idea | describe how someone thinks about something in the natural world |
| Description | is a spoken or written summary of observations |
| Explanation | is an interpretation of observations |
| International system of units | internationally accepted system for measurement (SI units) |
| Accuracy | description of how close a measurement is to and accepted or true value |
| Precision | description of how similar or close measurements are to each other |
| Critical thinking | combining what you already know with the new facts that you are given to decide if you should agree or disagree with something |