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The Scientific Method (Grade 9)

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The Scientific Method

A scientist is investigating a new treatment for a disease that affects thousands of people. Many people with this disease volunteer to be part of the study. Which statement is an ethical concern that the scientist must address before conducting the study?
  1. The scientist must ensure that the treatment will be effective.
  2. The scientist must ensure that the study's results will not be shared with other scientists.
  3. The scientist must inform the volunteers about the potential dangers of participating in the study.
  4. The scientist must demonstrate the treatment on themself.
What is the first step in the scientific method?
  1. collect and analyze data
  2. conduct the experiment
  3. state the problem to be investigated
  4. draw a conclusion based upon the observations
A scientific explanation of large amounts of data based on many observations and repeated experiments is a(n)
  1. experiment.
  2. theory.
  3. law.
  4. conclusion.
  5. hypothesis.
A hypothesis is another name for a prediction.
  1. True
  2. False
What is the second step of the scientific method?
  1. state the problem
  2. design the experiment
  3. record and analyze the data
  4. state the hypothesis
The last step in the scientific method is to
  1. construct a hypothesis.
  2. do background research.
  3. communicate the results.
  4. ask a question.
What is an educated guess, based on preliminary research and broad ideas, that can then be
tested and verified?                           

What is the systematic collection and classification of data and usually the formulation and testing of a hypothesis based on that data?                                         
Which statement describes what a scientist should not do when using the scientific method?
  1. solve problems that have a practical application to daily life
  2. make measurements as exactly as possible and with precise instruments
  3. use statistics to adjust data to support the hypothesis
  4. reduce experimental error as much as possible
After making a hypothesis, the scientist performs a(n)                 to collect data.
  1. experiment
  2. observation
  3. conclusion
  4. error
Mr. Summers observed that kids with hot dogs are happy. This observation led to a hypothesis that hot dogs must make kids happy. Before Mr. Summers can test this hypothesis, what must he do?
  1. create a problem
  2. make an observation
  3. analyze data
  4. design the experiment
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