| A | B |
|---|
| investigation | a search for information |
| experiment | to test an idea or hypothesis |
| problem | a scientific question that can be answered with an experiment |
| variables | factors in an experiment |
| independent variable | what is changed or tested |
| dependent variable | what is measured |
| constant variable | what is kept the same |
| hypothesis | a prediction about the outcome of an experiment |
| procedure | the steps used to test a hypothesis during an experiment |
| data | information collected during an investigation or experiment |
| bar graph | compares two or more data sets |
| line graph | shows changes over time |
| pie graph/ circle graph | compares parts of a whole |
| X axis | botom line of graph |
| Y-axis | side line of a graph |
