| A | B |
|---|
| problem | scientific question that can be answered by experimentatiion |
| hypothesis | an educated prediction about how the independent variable will affect the dependent variable |
| variable | a factor in an experiment that changes or could be changed |
| independent variable | the variable that is changed on purpose |
| dependent variable | the variable that responds to the independent variable |
| control | the standard for comparison in an experiment |
| constant | a factor in an experiment that is kept the same in all trials |
| repeated trials | the number of times an experiment is repeated |
| science | a way of learning about the natural world |
| observing | using one or more of your senses to gather information |
| inferring | when you explain or interpret the things you observe |
| predicting | making a forecast of what will happen in the future based on past experience |
| data | facts, figures, and other evidence gathered through observations |
| qualitative observation | descriptions that do not involve numbers or measurements |
| quantitative observation | descriptions that do involve numbers or measurements |
