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Unit 2
Scientific Tools and Measurement Notes
Term | Definition |
---|---|
Description | a statement that reports what has been observed. |
Measurement | a description that includes a number and a unit. |
Standard | same for everybody. |
SI Units | The modern metric system. |
Prefixes | one or more letters added to the beginning of a SI unit to express a very large or small number. |
Scientific Notation | a short way of representing very large or very small numbers. |
Accuracy | a description of how close a measurement is to the true value of the quantity measured. |
Precision | the exactness of a measurement. |
Quantitative data | refers to the quantity or number of something. |
Qualitative data | refers to a quality something has. |