Summary:
- A hypothesis is a reasonable explanation for a small range of phenomena.
- A hypothesis is limited in scope; it attempts to explain a single event or a fact.
- Testing a hypothesis requires making observations or performing experiments.
- A scientific hypothesis must be both testable and falsifiable.
- If two or more hypotheses are being tested, they are called multiple working hypotheses.
- Write an example of a hypothesis, and explain how you would test it.
- Use the resource below to answer the questions that follow.
- The two hypotheses below address a question about carbon dioxide in the atmosphere.