Scientific method | PDF - Free Printable

1. The steps in the scientific method are: make an observation, ask a question, form a hypothesis, conduct an experiment, analyze the data, and draw a conclusion.
2. A scientist’s first step is to make an observation about the natural world.
3. An example of an observation: “The leaves on the plant near the window are turning yellow.”
4. Scientists use their senses to make observations.
5. A hypothesis is a testable prediction or proposed explanation for an observed phenomenon.
6. A hypothesis must be testable and it predicts an outcome.
7. Some hypotheses are written as if-then statements.
8. Hypothesis for the observation: “If the plant is not receiving enough water, then its leaves will turn yellow.”
9. An experiment is a controlled procedure designed to test a hypothesis by manipulating variables and measuring outcomes.