1) Observe and wonder.

2) Hypothesize about why or how.

3) Predict what else you will observe if hypothesis is correct.

4) Design and perform a test of this prediction (with strict controls - one variable at a time please).

5) Evaluate test results honestly - "the easiest person to fool is yourself" (Feynman).

6) Return to 2 and revise

[notice there is no End statement, the loop is continuous]

There. That's all you need to know about science.