| A | B |
|---|
| measurement | way to describe the world with numbers |
| estimation | method of making an educated guess at a measurement |
| precision | description of how close measurements are to each other |
| accuracy | compares a measurement to the true value |
| SI | International System of Units |
| meter | SI unit of length |
| volume | amount of space an object occupies |
| mass | amount of matter in an object measured in kilograms |
| kilogram | SI unit for mass |
| weight | measurement of force |
| kelvin | SI unit for temperature |
| rate | amount of change of one measurement in a given amount of time |
| table | presents information in rows and columns, making it easier to read and understand |
| graph | used to collect, organize, and summarize data in a visual way, making it easy to use and understand |
| line graph | a type of graph used to show the relationship between two variables that are numbers on an x-axis and y-axis |
| bar graph | a type of graph that uses bars of varying sizes to show the relationship among variables |
| circle graph | a type of graph that shows the parts of a whole |
