| A | B |
|---|
| measurement | A way to describe the world with numbers. Can describe objects and events with length, volume, mass, temperature, and rates. |
| estimation | Method of making a rough measurement. |
| SI | International System of Units, which was designed to give a worldwide standard of physical measurement for science, industry, and commerce. Systeme International. |
| meter | SI unit of length |
| mass | Amount of matter in an object. |
| kilogram | SI unit for mass. |
| Kelvin | Scale that measures temperature in SI. |
| rate | Ratio of two measurement with different units. |
| table | Tool used to display information in rows and columns so that it is easier to read and understand. |
| graph | Diagram that shows the relationship between two variables. Tool used to collect, organize, and summarize data in a visual way so that it is easy to use and understand. |
| line graph | Tool used to show the relationship between two variables. Used to show change over time. |
| bar graph | Tool that uses bars to show the relationships between variables. It can be horizontal or vertical. Can display any numerical data. |
| circle graph | Tool used to show the parts of a whole. |
| accuracy | Compares a measurement to the real value. |
| precision | Describes how carefully you make your measurements. |
| volume | The amount of space an object occupies. |
| temperature | Measures how fast molecules are moving. |
| length | The distance between two points. |
| weight | A measurement of force. It depends on gravity. |
| time | The interval between two events. |
| Celsius | Metric unit for measuring temperature. |
| Fahrenheit | English unit for measuring temperature. |
