| A | B |
|---|
| experimental group | group that receives the changed variable |
| observation | act of noticing and describling events or processes in a careful, orderly way |
| control group | group that does not receive the changed variable |
| hypothesis | scientific explanation for a set of observations that can be tested |
| inference | logical interpretation based on what scientists already know |
| scientific method | steps often used in solving problems in science (can be helpful in solving any problem) |
| controlled experiment | experiment in which only one variable is changed |
| science | an organized way of gathering and analyzing evidence about the natural world |
| independent variable | variable that is deliberatley changed |
| dependent variable | variable that changes in response to the independent variable |
| data | detailed records of experimental observations |
| qualitative data | "the girl had brown eyes" |
| quantitative data | "the boy was 6 feet tall" |
