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Ninth Grade (Grade 9) Scientific Method Questions

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Grade 9 Scientific Method
Scientific studies must have clear and transparent methods so that the studies are
  1. reproducible.
  2. biased.
  3. methodical.
  4. logical.
Grade 9 Scientific Method
A factor that does not change when other variables change is a
  1. dependent variable.
  2. independent variable.
  3. control.
  4. constant.
Grade 9 Scientific Method
Scientists use data to make                        to communicate the results of an experiment.
  1. charts and experiments
  2. charts and graphs
  3. circles and graphs
  4. squares and graphs
Grade 9 Scientific Method
In a laboratory experiment, the standard group against which the results are compared is the
  1. experimental group.
  2. dependent variable.
  3. control group.
  4. independent variable.
  5. development group.
Grade 9 Scientific Method
One variable is tested and all other variables are the same in a(n)
  1. controlled environment.
  2. poorly designed experiment.
  3. environment.
  4. environmental factor.
Grade 9 Scientific Method
To reduce the possibility of error, a scientific experiment should not have                       .
  1. accurate data
  2. close observations
  3. more than one variable
  4. conclusive evidence
Grade 9 Scientific Method
Science can prove anything.
  1. True
  2. False
Grade 9 Scientific Method
A                         is what the scientist is comparing the data to and where no changes are made.
  1. independent variable
  2. dependent variable
  3. qualitative observation
  4. control group
Grade 9 Scientific Method
A statement that describes a phenomenon that has been supported by many experiments is a
  1. control.
  2. scientific method.
  3. hypothesis.
  4. law.
Grade 9 Scientific Method
You have noticed that there appears to be more wildflowers growing near a specific section of the local park. The area is near a small pond, it receives sunlight for about half of the day, and there is a small fence that keeps people off the area. What hypothesis could you create using this known information?
  1. If we limit the sunlight exposure to less than half a day, then less flowers would grow because plants need light to grow.
  2. If the soil stays at a constant moisture level, then the plants will grow.
  3. If you change the type of soil, then the leaves will be greener than already observed.
  4. If the plants are still growing by next year, then they are healthy.
Grade 9 Scientific Method
Why would you repeat an experiment over and over again?
  1. because scientists are supposed to do experiments
  2. to test your results and conclude that you will get the same results every time
  3. to test a new variable
  4. because it is recommended but not necessary
Grade 9 Scientific Method
The only difference between the control group and the experimental group should be the
  1. control variable.
  2. dependent variable.
  3. hypothesis.
  4. independent variable.
Grade 9 Scientific Method
An experiment always has an independent variable but never has a dependent variable. Choose the answer that corrects this statement.
  1. Experiments do not need variables unless you are making measurements and trying to support your hypothesis.
  2. The dependent variable is actually the only variable needed to complete an experiment.
  3. Both variables are necessary but are unrelated to each other.
  4. Experiments must have an independent variable that, when altered, changes the outcome of the dependent variable being recorded.
Grade 9 Scientific Method
A set of steps followed to test a hypothesis and collect data is a(n)
  1. experiment.
  2. law.
  3. theory.
  4. mistake.
  5. species.
  6. quantitative report.
Grade 9 Scientific Method
Which statement describes what a scientist should not do 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
In an experiment, the control group is
  1. introduced to variables.
  2. the group that controls the experiment.
  3. the group that stays the same.
  4. the group that is tested last.
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