Scientific Method
Ever wondered how scientists figure things out? The scientific method starts with observation—noticing something in nature using your senses. These can be direct (seeing something yourself) or indirect (using other senses). Observations can be quantitative (involving numbers like height or weight) or qualitative (describing features like color or texture).
When something interesting catches your attention, you form a question and create a hypothesis—your best explanation for how something in nature works. A good hypothesis is a complete sentence (not just "yes" or "no") and includes a prediction that can be tested.
To test your hypothesis, you design an experiment with controls and experimental groups. The control is your "normal" standard for comparison, while experimental groups are identical except for one factor—the independent variable (what you're changing). The dependent variable is what you measure to see the results.
💡 Remember: A well-designed experiment changes only ONE thing at a time so you know exactly what caused any differences you observe!
After running your experiment, you collect data and analyze it using tools like graphs, tables, and charts. This helps you determine if your results support or refute your hypothesis. Finally, you reach a conclusion about your hypothesis—though importantly, experiments can only support or refute ideas, never permanently prove them.