| A | B |
|---|
| Cause and effect | the relationship between an event that brings about a result and what happens due to the result |
| control variables | part of an experiment that is kept the same throughout the experiment |
| Controlled experiment | when one variable is changed and all the others are controlled or stay the same |
| distance | the length of space between two points |
| English system | a system of measuring that uses, the units of inches, yards and miles |
| experiment | andy situation that is set up to observe and measure something happening |
| experimental technique | the exact procedure that is followed each time an experiment is repeated |
| experimental variable | a variable that is changed by the experimenter |
| hypothesis | an educated guess; a predication of what will happen in an experiment |
| investigation | one or more experiences that are all connected to answering the same basic question |
| length | a unit of measurement for distance |
| measurements | the act or process of measuring in multiplesof a specific unit |
| metric system | a system of measuring that uses, for example, distance in units of millimetes, centimeters, meters and kilometers. |
| procedure | a collection of all the techniques you use to do an experiment |
| research question | a question that is solved through investigation |
| scientific evidence | any observation that can be repeated with the same results |
| scientific method | a process that is used to gather evidence that leads to understanding |
| second | a commonly used unit of time; 1/60 of a minute |
| time | a useful measurement of changes in motion or events; all or part of the past, present and future |
| trial | each time an experiment is tried |
| variable | factors that affect the results of an experiment |
| velocity | describes movement from one place to anther over time and in a certain direction |
