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Tenth Grade (Grade 10) Scientific Method Questions

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Grade 10 Scientific Method
To ensure that a scientific work is free of bias and meets standards set by the scientific community, a research group's work is reviewed by
  1. the general public.
  2. the researcher's friends.
  3. lawmakers.
  4. anonymous scientific experts.
Grade 10 Scientific Method
Experiments can be replicated if                                .
  1. they are not shared with others
  2. the steps are written clearly
  3. they are posted on the Internet
  4. they use technology
Grade 10 Scientific Method
A bias is mostly due to
  1. the study of life.
  2. controlled experiments.
  3. experimental data.
  4. a personal point of view.
Grade 10 Scientific Method
The act of noticing and describing events or processes in a careful and orderly manner is a(an)
  1. observation.
  2. examination.
  3. theory.
  4. fact.
Grade 10 Scientific Method
The                 variable is changed by the experimenter.
  1. dependent
  2. independent
  3. controlled
  4. uncontrolled
Grade 10 Scientific Method
What is a necessary component of good experimental design?
  1. independent variable
  2. dependent variable
  3. control
  4. replication
  5. sample size
  6. all of the above
Grade 10 Scientific Method
A hypothesis
  1. is based on a personal belief.
  2. may be disproven by a single experiment.
  3. does not have to be tested to be accepted.
  4. is a proven fact.
Grade 10 Scientific Method
If data from repeated experiments does not support the hypothesis, the scientist's next step is to
  1. give up.
  2. revise the hypothesis.
  3. repeat the experiment.
  4. overturn the theory.
Grade 10 Scientific Method
Science is best described as a
  1. set of facts.
  2. way of knowing.
  3. collection of beliefs.
  4. list of rules.
Grade 10 Scientific Method
In a scientific investigation, the size of the sample population should be large enough to
  1. reflect the probability of an unwanted outcome.
  2. give an accurate estimate of the whole population.
  3. closely resemble the system they represent.
  4. all of the above
Grade 10 Scientific Method
Scientists use observations and data to form and test
  1. constants.
  2. hypotheses.
  3. theories.
  4. conclusions.
Grade 10 Scientific Method
A theory is a proposed explanation for an observation.
  1. True
  2. False
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