Review Questions

  1. Which of the following best describes the scientific method?
    A) A rigid step-by-step checklist
    B) A flexible process of inquiry based on observation and testing
    C) A fixed set of rules determined by scientists centuries ago
    D) A method limited to laboratory research only

  2. Which of the following is a hypothesis?
    A) “Water boils at 100°C at sea level.”
    B) “If fertilizer is added to the soil, plant growth will increase.”
    C) “Plants need sunlight to grow.”
    D) “The scientific method has six main steps.”

  3. A tentative explanation for a set of observations that can be tested is called a __________.

  4. List the steps of the scientific method in order.

  5. Why is a control group important in an experiment?

  6. What is the difference between a hypothesis and a theory in science?

  7. A scientist hypothesizes that adding sugar to water will increase yeast growth. Identify the independent variable, dependent variable, and a possible control.

  8. A scientific theory is a guess with little supporting evidence. (True/False)

  9. A prediction in an experiment is usually written in what type of format?

  10. Which of the following would NOT be considered a proper scientific hypothesis?
    A) “Plants grow faster in sunlight than in shade.”
    B) “Aliens visit Earth every summer.”
    C) “The rate of enzyme activity increases with temperature up to a point.”
    D) “If more fertilizer is added, crop yield will increase.”

  11. Explain why repeatability is important in scientific experiments.

  12. What role do observations play in forming a hypothesis?

  13. Which step of the scientific method involves analyzing data to determine if the hypothesis is supported or rejected?

  14. Fill in the blank: A __________ variable is the factor that a scientist deliberately changes, while a __________ variable is the factor that is measured.

  15. Describe a simple experiment you could design using the scientific method to test whether music affects plant growth. Be sure to include your hypothesis and a prediction.

Licenses and Attribution

CC Licensed Content, Original:

  • This educational material includes AI-generated content from ChatGPT by OpenAI. The original content created by Dr. Zeinab Motawe from Hillsborough College is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).

  • All images in this textbook generated with DALL-E are licensed under the terms provided by OpenAI, allowing for their free use, modification, and distribution with appropriate attribution.


Openly Licensed Content Included:

  • Written content adapted from: OpenStax, Biology. OpenStax CNX. May 27, 2016. “The Process of Science.” Licensed under CC BY 4.0.

Other Licensed Content Included:

  • No other licensed content was included.

 

License

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Biology I Cellular Processes by Zeinab Motawe is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, except where otherwise noted.

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