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Ninth Grade (Grade 9) Scientific Method Questions

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Grade 9 Scientific Method
This is the factor in an experiment that can change if other factors are changed.
  1. the independent variable
  2. the constant
  3. the hypothesis
  4. the dependent variable
Grade 9 Scientific Method
A dependent variable is the
  1. result you are measuring.
  2. variable that the scientist changes.
  3. amount of something you add to a mixture.
  4. group you do not change.
Grade 9 Scientific Method
What is the first step to 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
Grade 9 Scientific Method
Grade 9 Scientific Method
Grade 9 Scientific Method
In an experiment, the control group is
  1. introduced to variables
  2. the group that controls the experiment
  3. the group which stays the same
  4. the group which is tested last
Grade 9 Scientific Method
Which statement is not how a scientist should act when using the scientific method?
  1. randomize any variable that is impossible to control, like seed genetics
  2. use statistically large samples in experiments to ensure that uncontrollable variables do not skew the results
  3. test one variable at a time to ascertain its effect on the outcome of the test group
Grade 9 Scientific Method
A description of what you see, hear, taste, touch, and smell.
  1. Cycle
  2. Scientific Method
  3. Observation
  4. Experiment
Grade 9 Scientific Method
Grade 9 Scientific Method
Victoria grows the same bacteria in 20 petri dishes. She places 10 of the dishes in a container with a normal atmosphere. The remaining dishes she places in a container in which the oxygen level is double the normal level. She labels the first group "A" and the second group "B". Which of the following best describes the groups?
  1. Group A is the control group; Group B is the experimental group
  2. Group A is the experimental group; Group B is the control group
  3. Group A is the hypothesis; Group B is the theory
  4. Group A is the variable; Group B is the observation
  5. Group A is the theoretical group; Group B is the hypothetical group
Grade 9 Scientific Method
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