Understanding Hypotheses in Science
Explore the fundamentals of forming and testing hypotheses in scientific inquiry for Grade 9 science students.
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Understanding Hypotheses in Science
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Read each question carefully and provide your best answer. This worksheet will test your understanding of hypotheses and their role in the scientific method.
1. Which of the following best describes a scientific hypothesis?
A proven scientific fact.
A tentative explanation that can be tested.
A conclusion drawn from an experiment.
A general statement about how the world works.
2. What is a key characteristic of a good hypothesis?
It is always correct.
It is complex and uses scientific jargon.
It is testable and falsifiable.
It is based on personal opinion.
3. A hypothesis is an educated about the relationship between two or more variables.
4. A hypothesis must be through experimentation or observation.
5. The 'If...then...because' format is often used to write a clear and concise .
6. A hypothesis can be proven true.
True
False
7. If an experiment's results do not support a hypothesis, the hypothesis should always be completely discarded.
True
False
8. Formulate a testable hypothesis for the following observation: 'Plants grow taller when exposed to more sunlight.'
9. Explain the difference between a hypothesis and a scientific theory.
Use the words below to complete the sentences.
10. A good hypothesis must be .
11. The 'then' part of a hypothesis often states a .
12. In an experiment, the factor that is changed or manipulated is called the independent .