Understanding the Hypothesis
A worksheet for 7th graders to understand and practice formulating scientific hypotheses.
Includes
Standards
Topics
Understanding the Hypothesis
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Read each question carefully and follow the instructions to demonstrate your understanding of scientific hypotheses.
1. Which of the following best describes a hypothesis?
A proven fact.
An educated guess based on observations.
A question that needs to be answered.
The conclusion of an experiment.
2. A good hypothesis must be:
Long and complex.
Untestable.
Testable and falsifiable.
Always correct.
3. A hypothesis often takes the form of an “If , then ” statement.
4. The part of the experiment that is changed by the scientist is the variable.
5. The part of the experiment that is measured is the variable.
6. A hypothesis can be proven true through a single experiment.
True
False
7. All scientific investigations begin with forming a hypothesis.
True
False
8. A student observes that plants near a window grow taller than plants in a darker corner of the room. Formulate a testable hypothesis for this observation.
9. Explain why it is important for a hypothesis to be falsifiable.
10. Read the scenario below and identify the hypothesis.
Sarah wants to know if different brands of fertilizer affect the height of tomato plants. She buys three different brands of fertilizer (A, B, and C) and plants identical tomato seeds in separate pots. Each pot receives the same amount of soil, water, and sunlight. After two weeks, she measures the height of the plants.
Hypothesis: