| A | B |
| life science | the study of living things |
| scientific method | a series of steps that scientists use to answer questions and solve problems |
| hypothesis | a possible explanation or answer to a question, an educated guess |
| experiment | used to test a hypothesis |
| variable | the factor in a controlled experiment that changes |
| theory | explanation of things or events based on scientific knowledge resulting from many observations and experiments |
| technology | the application of knowledge, tools, and materials to solve problems and accomplish tasks; can also refer to the tools used to accomplish those tasks |
| area | the measure of how much surface an object has |
| volume | the amount of space that something occupies or the amount of space that something contains |
| mass | the amount of matter that something is made of; its value does not change with the object's location |
| temperature | a measure of how hot (or cold) something is |
| biotic | living, once-living, can be dead |
| abiotic | nonliving |
| qualitative observation | observation of characteristics |
| quantitative observation | observation using numbers |
| constant | a factor in an experiment that does not change |
| controlled experiment | an experiment that tests only one factor at a time |
| law | explanation about how things work in nature |
| control | standard to which the outcome of a ttest is compared |