| A | B |
| experiment | an organized procedure during which all factors but the one being studied are controlled |
| lab safety | a set of rules and guidelines to explain acceptable behaviors and hazards in the science lab |
| hazardous | things such as chemicals and instruments that may be potentially dangerous |
| fume hood | a piece of equipment designed to absorb dangerous gases from chemicals in the laboratory |
| eye wash station | a piece of equipment used to wash the eyes in case of emergency. for example - a chemical splashing into the eye |
| tongs | used to grasp or hold objects especially during heating |
| graduated cylinder | used to measure the volume of a liquid |
| triple beam balance | used to measure the mass of an object |
| test tube | used to hold small amount of liquid during an experiment |
| dissecting probe | used to scrape and pick away parts when dissecting organisms |
| ruler | used to measure the length of an object |
| forceps | used to grab small objects or organisms |
| light microscope | used to view microscopic objects and organisms |
| metric system | a system of measurements that is used by the vast majority of the world |
| mass | a measure of how much mass an object is made of |
| volume | an amount of three-dimensional space, often used to describe the space that an object takes up |
| length | the distance from one point to the other |
| density | a property of matter representing the mass per unit volume |