Answer:
You turn a light switch, and the bulb does not light.
Observation: Light bulb did not light.
Question: Is the light bulb blown?
Hypothesis: The light bulb is blown.
Prediction: If I replace the bulb and it lights, then my hypothesis is validated. If the bulb does not light, then my hypothesis is invalidated.
Experiment: Replace the bulb.
Result: New bulb lights up.
Conclusion: My hypothesis is validated. The bulb was blown
