Hypothesis Formulation and Testing
This worksheet focuses on understanding, formulating, and testing scientific hypotheses at a Grade 12 level, aligning with scientific inquiry practices.
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Standards
Hypothesis Formulation and Testing
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Read each question carefully and provide thoughtful, accurate responses. Ensure your answers reflect a strong understanding of scientific hypothesis formulation and testing.
1. A scientific hypothesis must be and .
2. The variable is the one that is changed or manipulated by the researcher.
3. The hypothesis is a statement of no effect or no relationship between variables.
4. Which of the following is the best example of a testable hypothesis?
Blue is a more beautiful color than red.
Plants grow better when they are spoken to.
Increasing the amount of nitrogen fertilizer will increase the height of tomato plants.
The universe is infinitely large.
5. A scientist observes that students who eat breakfast perform better on morning exams. Formulate a testable hypothesis and a null hypothesis for this observation.
Testable Hypothesis:
Null Hypothesis:
6. A hypothesis can be proven true through a single experiment.
True
False
7. Design a simple experiment to test the hypothesis: 'Plants exposed to classical music will grow taller than plants exposed to rock music.' Include the independent variable, dependent variable, control group, and at least two constants.