Key Idea1 of 4
Scientific Explanation Intro
When we are doing experiments, it's important to change only one thing at a time. This way, we can see how that one change affects the results clearly. By keeping everything else the same, we can understand what caused any differences we observe.
Context recap: When we are doing experiments, it's important to change only one thing at a time. This way, we can see how that one change affects the results clearly. By keeping everything else the same, we can understand what caused any differences we observe.