| A | B |
|---|
| Metric System | A system of measurement based on the number 10. |
| Mass | A measure of how much matter is in an object |
| Meniscus | The curved upper surface of a liquid in a column of liquid |
| Weight | The measure of how much gravity is acting on an object |
| Density | A measurement of how much mass of a substance it contains in a given volume |
| Volume | Amount of space an object takes up |
| Estimate | An approximation of a number based on reasonable assumptions |
| Accuracy | Refers to how close a measurement is to the true or accepted value. |
| Precision | Refers to how close a group of measurements are to each other. |
| Significant Figures | Includes all digits measured exactly, plus one estimated digit. |
| Percent Error | Calculations are a way to determine how accurate an experimental value is. |
| Mean | Numerical average of a set of data. |
| Mode | The number that appears most often in a list of numbers. |
| Range | The difference between the greatest value and the least value in a set. |
| Anomalous | Data that does not fit with the rest of the data set. |
| Graph | A picture of information from a data table. |
| Median | The middle number in a set a data |
| Linear Graph | A graph in which the data points yield a straight line. |
| Nonlinear Graph | A line in which the data points do not fall along a straight line. |
| Model | A representation of a complex object or process used to help people understand a concept. |
| System | A group of related parts that work together to perform a function or produce a result. |
| Input | Material, energy, or information that goes into a system. |
| Process | A sequence if actions in a system. |
| Output | Material, energy or result that comes out of a system. |
| Feedback | Output that changes a system or allows the system to adjust itself. |
| Safety Symbol | A sign used to alert you to possible sources of accidents in an investigation. |
| Field | An area outside of the laboratory. |
