| A | B |
|---|
| safety | following the rules to avoid an accident |
| procedures | steps to follow |
| hazard | anything that is dangerous |
| precaution | taking steps before to prevent accident |
| classify | a grouping of organisms or objects based on characteristics |
| beaker | tool used for measuring volume |
| graduated cylinder | tool used for measuring volume |
| volume | the amont of space something takes up |
| milliliter | unit of measurement used to measure volume |
| balance scale | tool used for measureing the amount of mass in an object or substance |
| spring scale | tool used to measure the amount of weight |
| triple beam balance | tool used for measuring the amount of mass in an object or substance |
| mass | measurement of how much mtter is in an object |
| gram | the unit of measurement used to measure mass |
| stopwatch | tool used to measure the amount of time |
| temperature | the measurement of the amount of heat in anobject or substance |
| thermometers | tool used for measuring the amount of heat in an object or substance |
| celsius | the unit of measurement for temperature |
| field and laboratory investigation | locations inside and outside to do science experiments |
| avoid | keep away from |
| protect | to keep safe |
| electricity | a form of energy that is produced by moving electrons |
| electrical circuit | a complete pathway of conductors |
| electrical current | a constant flow of electrons through a conductor |
| Insulator | a materials that does not allow electricity to pass through |
| Conductor | a material that allows electricity to pass |
| dry cell battery | a device that uses chemicals to produce electricity |
