Chapter 1 Review Questions

12 Questions | Total Attempts: 285

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Chapter 1 Review Questions - Quiz

This is a review for exam #1. Please answer all questions independently. You will need the course text book to answer two of the questions. This counts as homework, and will not be graded as a quiz or test. Please come to class prepared to discuss any questions you find confusing. You have 20 minutes to complete this quiz.


Questions and Answers
  • 1. 
    Why is it important for scientists to test only ONE variable at a time during an experiment?
  • 2. 
    Who is your teacher?
    • A. 

      D'Anna

    • B. 

      Brandon

  • 3. 
    What class period are you in?
    • A. 

      2

    • B. 

      3

    • C. 

      5

    • D. 

      6

    • E. 

      7

    • F. 

      8

  • 4. 
    Which statement is not an observation?
    • A. 

      The insect has three legs on the left side.

    • B. 

      The insect has a pattern on its back.

    • C. 

      The insect's pattern shows that it is poisonous.

    • D. 

      The insect is green, white, and black.

  • 5. 
    The statement "The worm is 2 cm long" is a(n)
    • A. 

      Quantitative observation

    • B. 

      Qualitative observation

    • C. 

      Inference

    • D. 

      Hypothesis

  • 6. 
    An inference is
    • A. 

      The same as an observation

    • B. 

      A logical interpretation of an observation

    • C. 

      A statement involving numbers

    • D. 

      The best way to avoid bias

  • 7. 
    To be useful in science, a hypothesis must be
    • A. 

      Measurable

    • B. 

      Observable

    • C. 

      Testable

    • D. 

      Correct

  • 8. 
    Which statement about a controlled experiment is true?
    • A. 

      All the variables must be kept the same.

    • B. 

      Only one variable is changed at a time.

    • C. 

      Scientists always use controlled experiments.

    • D. 

      Controlled experiments cannot be performed on living things.

  • 9. 
    A scientific theory is 
    • A. 

      Another word for hypothesis

    • B. 

      A well tested explanation that unifies a broad range of observations

    • C. 

      The same as a conclusion of an experiment

    • D. 

      Established when the conclusion of two separate experiments are the same

  • 10. 
    Which process is used by organisms to keep their internal conditions relatively stable?
    • A. 

      Metabolism

    • B. 

      Reproduction

    • C. 

      Evolution

    • D. 

      Homeostasis

  • 11. 
    Please refer to the graph on page 32 of the course text book to answer this question. The manipulated (independent) variable was
    • A. 

      Number of flies

    • B. 

      Number of groups studied

    • C. 

      Time in days

    • D. 

      Size of the containers

  • 12. 
    Please refer to the graph on page 32 of the course text book to answer this question. Which is a scientific inference based on the contents of the graph?
    • A. 

      The flies in population B were healthier than those in population A.

    • B. 

      A fly population with more available space will grow larger than one with less space.

    • C. 

      In 40 more days, the sizes of both populations would decrease at the same rate.

    • D. 

      The pattern shown in this graph is true only for fruit flies.

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