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Seventh Grade (Grade 7) Scientific Methods and Applications Questions

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Grade 7 Scientific Method
The different factors that can change in an experiment are
  1. constants.
  2. variables.
  3. models.
  4. controls.
Grade 7 Scientific Methods and Applications
What is science?
  1. knowledge gained from the study of animals
  2. study of plants
  3. knowledge gained from careful, systematic study of the natural world
Grade 7 Scientific Method
A plan of inquiry that uses science process skills to gather, organize, analyze, and communicate information is the
  1. inquiry process.
  2. investigative plan.
  3. scientific method.
  4. information query.
Grade 7 Scientific Method
Learning about your world using your five senses is
  1. sensation.
  2. information.
  3. experimentation.
  4. observation.
Grade 7 Scientific Method
A student investigated the physical and chemical properties of a sample of an unknown gas and then identified the gas. Which statement represents a conclusion rather than an observation?
  1. The gas is colorless.
  2. The gas is carbon dioxide.
  3. When the gas is bubbled in limewater, the liquid became cloudy.
  4. When placed in the gas, a flaming splint stopped burning.
Grade 7 Scientific Method
What is an inference?
  1. a logical conclusion
  2. a universal negative
  3. an observation
Grade 7 Scientific Method
All the things in an experiment that must be the same to make the results fair are
  1. independent variables.
  2. dependent variables.
  3. controlled variables, or constants.
  4. controlled experiments.
Grade 7 Lab Practices and Tools
Scientists all over the world use the metric system as the standard system of measurement (SI). Why is it important for scientists to use a common system of measurement?
  1. It allows scientists to repeat experiments, compare data, and communicate results.
  2. It helps scientists create data charts and graphs from observations.
  3. It encourages scientists to use lab safety while doing scientific investigations.
  4. None of the above
Grade 7 Scientific Method
No matter the number of steps in the scientific method, the first step is to                        .
  1. predict the outcome
  2. communicate the results
  3. draw conclusions
  4. identify the problem
Grade 7 Scientific Method
The rule that describes the behavior of something in nature is a(n)
  1. scientific theory.
  2. scientific law.
  3. Occam's razor.
  4. Einstein's theory of relativity.
Grade 7 Lab Practices and Tools
Which tool would give the most precise measurement of 15 milliliters of water?
  1. 50-ml beaker
  2. 50-ml graduated cylinder
  3. 500-ml beaker
  4. 500-ml graduated cylinder
Grade 7 Scientific Method
What is the dependent variable?
  1. the part of the experiment that remains the same
  2. the part of the experiment that is changed
  3. the thing that is always the same in all experiments
  4. the part that is changed as a result
Grade 7 Lab Practices and Tools
When should you wear safety goggles?
  1. at all times in the lab
  2. when heating items or working with chemicals
  3. only when the teacher tells you to
  4. only if there has been a chemical spill that might affect your eyes
Grade 7 Scientific Method
What is NOT a part of a well-designed experiment?
  1. a control
  2. multiple trials
  3. a reproducible procedure
  4. small sample size
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