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Eighth Grade (Grade 8) Scientific Methods and Applications Questions

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Grade 8 Lab Practices and Tools
Graduated cylinder measurements are read at the
  1. meniscus.
  2. meninges.
  3. top of the water.
Grade 8 Lab Practices and Tools
Which is an example of an SI unit?
  1. second
  2. gallon
  3. pound
  4. inch
Grade 8 Lab Practices and Tools
In science, what tools can be used for collecting and analyzing data?
  1. scissors, calculator, stapler, envelope
  2. meter stick, stopwatch, balance, computer
  3. scanner, computer, printer, speakers
  4. stopwatch, screwdriver, meter stick, drill
Grade 8 Lab Practices and Tools
Measuring something is one way of                              .
  1. collecting data
  2. making a model
  3. analyzing results
  4. conducting experiments safely
Grade 8 Scientific Method
To draw a conclusion for an experiment, you must know the
  1. hypothesis.
  2. procedure.
  3. data.
  4. all of the above
Grade 8 Scientific Method
Constants in an experiment
  1. do not change.
  2. always change.
  3. sometimes change.
  4. are seldom used.
Grade 8 Scientific Method
What action uses the five senses to perceive something?
  1. variable
  2. inference
  3. observation
  4. theory
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. We can be sure that labs are done correctly.
  4. all of the above
Grade 8 Lab Practices and Tools
Grade 8 Scientific Method
A factor that can change in an experiment is a
  1. conclusion.
  2. variable.
  3. hypothesis.
  4. theory.
Grade 8 Scientific Methods and Applications
When translated,                 means "false science."
  1. pseudopodia
  2. pseudoscience
  3. astrology
  4. astronomy
Grade 8 Scientific Method
Predictions about what will happen can be based on
  1. controls.
  2. technology.
  3. prior knowledge.
  4. number of trials.
Grade 8 Lab Practices and Tools
Before beginning certain investigations (labs), why should you first put on protective goggles and clothing?
  1. We have to use them since the school bought the materials.
  2. We wear them to help us see better and keep us warm.
  3. We are required to protect our eyes, hands, skin, and clothing due to heat or harmful chemicals.
  4. None of the above.
Grade 8 Lab Practices and Tools
Where is the International System of Units used?
  1. only in the United States
  2. only in France
  3. in most of Europe
  4. all over the world
Grade 8 Scientific Method
Which action makes it more likely that experimental results are valid?
  1. adding bias
  2. communicating uncertain results
  3. picking two hypotheses
  4. conducting multiple trials
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