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Topic 1: Prologue
Introduction to Earth Science, Scientific Method,% Error Probs.& *Density
| Question | Answer |
|---|---|
| Define Observation: | Information input via one or more of 5 senses; includes all measurements. |
| Define Inference: | An educated guess or hypothesis; includes all future predictions. |
| Define Classification: | To group allowing for more meaningful observations & inferences. |
| Define Measurement: | A comparison with a known standard. |
| Define Instrument: | A tool used to extend the power of the human senses. |
| Describe Metric-System: | An international System of Measurements. |
| Define Mass: | Quantity of matter often described in grams. |
| Define Volume: | Quantity of space a 3 dimensional object occupies. |
| Define Liter: | Metric basic unit of liquid or gas. |
| Define Meter: | Metric basic unit of length. |
| Define Gram: | Metric basic unit of mass. |
| Define Percentage-Error. | Difference between accepted value and measured value, divided by the accepted value, times 100. |
| Define Weight: | A measure of the pull of gravity upon an object. |
| Define Density: | The quantity of matter per given unit of space. (Mass/volume) |
| Define Phase-states; | Solid, Liquid or Gas. Plasma regarding a star. |
| Four Degrees Celsius. | Maximum density temperature of water. (1g/ml) |
| Solid State. | Maximun Density of most materials occurs in this phase state. |
| Define Pressure: | Force per given area. As it increases, density increases. |
| Temperature. | A variable that will effect density. As it increases, density decreases. Thus hot air rises. |
Created by:
whearn
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