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Eighth Grade (Grade 8) Scientific Methods and Applications Questions

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Grade 8 Scientific Method
A conclusion states whether a hypothesis was right.
  1. True
  2. False
Grade 8 Scientific Method
When documenting experimental procedures, it is important to be precise so the experiment can be
  1. analyzed.
  2. replicated.
  3. explained.
  4. described.
Grade 8 Scientific Method
A well-tested explanation for a wide range of observations or experimental results is a
  1. scientific law.
  2. responding variable.
  3. manipulated variable.
  4. scientific theory.
Grade 8 Scientific Method
The dependent variable
  1. stays the same.
  2. is changed by the scientist.
  3. is measured or observed.
  4. is not part of an experiment.
Grade 8 Scientific Methods and Applications
What system is used for grouping similar things together?
  1. buddy
  2. filing
  3. classification
  4. stratigraphy
Grade 8 Scientific Method
The part of the experiment that states if the hypothesis is supported or not is the
  1. analysis.
  2. graphs.
  3. conclusion.
  4. reporting results.
Grade 8 Scientific Method
Which is NOT a step in the scientific method?
  1. observation
  2. forming a bias
  3. experimentation
  4. data collection and analysis
Grade 8 Scientific Method
Which is a quantitative observation?
  1. The table is 31 inches long.
  2. Chemistry is an easy subject.
  3. The flame is flickering.
  4. My eyes are blue.
Grade 8 Lab Practices and Tools
What lab instrument is used to find the mass of an object?
  1. spring scale
  2. triple beam balance
  3. graduated cylinder
  4. meter stick
Grade 8 Scientific Method
Models help people understand                                      .
  1. things they cannot afford to buy
  2. only science
  3. anything they cannot observe directly
  4. none of the above
Grade 8 Scientific Method
Which is NOT a step in the scientific method?
  1. Problem
  2. Process
  3. Research
  4. Procedure
Grade 8 Scientific Method
What is measured in an experiment?
  1. an independent variable
  2. a dependent variable
  3. a constant
  4. a control
Grade 8 Scientific Method
You are inferring when you
  1. make a forecast of what will happen in the future.
  2. develop an imaginative way to solve a problem.
  3. explain or interpret the things you observe.
  4. draw a conclusion about your hypothesis.
Grade 8 Scientific Method
Using one or more of your senses to gather information is called
  1. observing.
  2. scientific inquiry.
  3. communicating.
  4. inferring.
Grade 8 Lab Practices and Tools
What are the SI units for measuring length, mass, and volume, respectively?
  1. meter, kilometer, and milliliter
  2. milliliter, meter, and kilometer
  3. meter, kilogram, and liter
  4. millimeter, meter, and kilometer
Grade 8 Scientific Methods and Applications
What describes how close a measurement is to an accepted or actual value?
  1. proportion
  2. significance
  3. accuracy
  4. precision
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