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Eighth Grade (Grade 8) Scientific Methods and Applications Questions

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Grade 8 Scientific Method
How can organizing data into tables and graphs help scientists analyze their data?
  1. by speeding up the collection of data
  2. by adding color to their Web site
  3. by making relationships easier to see
  4. by increasing efficiency
Grade 8 Scientific Method
The part of the experiment which states if the hypothesis is correct.
  1. Analysis
  2. Graphs
  3. Conclusion
  4. Reporting Results
Grade 8 Scientific Method
An explanation based on many observations and investigations.
  1. Scientific Law
  2. Scientific Theory
  3. Hypothesis
  4. Conclusion
Grade 8 Scientific Method
Grade 8 Scientific Method
The independent variable
  1. stays the same
  2. is changed by the scientist
  3. is the outcome of the test
  4. is not part of an experiment
Grade 8 Scientific Method
A conclusion at the end of a scientific investigation
  1. can be that your results either support or do not support your hypothesis.
  2. can be that your results have proven your hypothesis beyond any doubt.
  3. usually will not give you any guidance in deciding what to do next.
  4. is usually the final word on the subject until someone proves otherwise.
Grade 8 Lab Practices and Tools
Graduated cylinder measurements are read at the
  1. Meniscus
  2. Meninges
  3. Top of the water
  4. Sides of the water
Grade 8 Scientific Method
A possible explanation that can be tested.
  1. Prediction
  2. Analysis
  3. Hypothesis
  4. Conclusion
Grade 8 Scientific Method
Grade 8 Scientific Method
Often the first step in gathering scientific knowledge is
  1. taking notes.
  2. predicting answers.
  3. asking questions.
  4. good lab technique.
Grade 8 Scientific Method
Grade 8 Lab Practices and Tools
Before beginning certain investigations (labs), why should you first put on protective goggles and clothing?
  1. since the school bought the materials we have to use them
  2. to help us see better and keep us warm
  3. it is required to protect eyes, hands, skin, clothing due to heat or harmful chemicals
Grade 8 Lab Practices and Tools
Grade 8 Scientific Method
A statement of what will happen next in a sequence.
  1. Hypothesis
  2. Analysis
  3. Prediction
  4. Conclusion
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 Method
A testable prediction is a
  1. hypothesis
  2. experiment
  3. variable
  4. constant
Grade 8 Lab Practices and Tools
Why is teamwork important when you are working in a science lab?
  1. we can remind each other to be safe
  2. everyone has a job
  3. be sure that the labs are done correctly
  4. all of the above
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