| A | B |
|---|
| balance | a tool used to determine the weight of an object |
| hand lens | a tool that makes objects viewed through it appear larger |
| observation | the act of viewing and noting characteristics of objects or events |
| testable question | a question that can be answered through an investigation where one part of an experiment is allowed to change and all other parts are kept the same |
| investigation (experiment) | a series of controlled steps, which can be repeated, for the purpose of answering a testable question |
| variable | a measurable object, condition, or event, which can be changed |
| microscope | a tool that uses a combination of lenses to produce a greatly magnified image of an object too small to be seen in detail by the naked eye |
| telescope | a tool that uses a combination of lenses to make distant objects appear larger and nearer |
| thermometer | a tool to measure temperature |
| measurement | an amount or size determined by comparison with a known quantity |
| data | information, often in the form of facts or figures, obtained from experiments or surveys |
| explanation | a statement giving reasons for information obtained from experiments |
| procedure | a series of steps, done in a particular order, to answer testable (scientific) questions |
| feedback | the return of information about the result of a scientific investigation which modify, correct, or strengthen the investigation |
