Grade 7 Science: Understanding Experiments
This worksheet covers key concepts of the scientific method and experimental design for 7th-grade science students.
Includes
Standards
Topics
Understanding Experiments
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Date:
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Read each question carefully and answer to the best of your ability. This worksheet will test your knowledge of scientific experiments and the scientific method.
1. Which step of the scientific method involves making an educated guess?
Observation
Hypothesis
Experimentation
Conclusion
2. What is the purpose of a control group in an experiment?
To receive the experimental treatment
To provide a baseline for comparison
To introduce a new variable
To confuse the results
3. The is the factor that is changed or manipulated by the experimenter.
4. The is the factor that is measured or observed in an experiment.
5. A scientific law describes an observed phenomenon but does not explain why it occurs.
True
False
6. A valid experiment only has one variable that is changed at a time.
True
False
7. Describe the difference between a hypothesis and a theory.
8. Why is it important to repeat an experiment multiple times?
Use the words below to complete the sentences.
9. The group in an experiment that does NOT receive the treatment is called the .
10. The group that receives the treatment in an experiment is the .