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Eleventh Grade (Grade 11) Scientific Methods and Applications Questions

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Grade 11 Scientific Method
A student investigated the physical and chemical properties of a sample of an unknown gas. Which statement represents a conclusion rather than an experimental observation?
  1. The gas is colorless.
  2. The gas is carbon dioxide.
  3. When the gas is bubbled in lime water, the liquid becomes cloudy.
  4. When placed in the gas, a flaming splint stops burning.
Grade 11 Lab Practices and Tools
When working in the laboratory setting, the abbreviation STP refers to
  1. an additive for oil and other lubricants.
  2. starting time and position.
  3. standard temperature and pressure.
  4. standard testing protocol.
Grade 11 Scientific Methods and Applications
Grade 11 Lab Practices and Tools
The best footwear to wear in the laboratory is
  1. closed-toed shoes.
  2. open-toed shoes.
  3. weather-appropriate shoes.
  4. sandals.
Grade 11 Lab Practices and Tools
What is the function of the diaphragm of the light microscope?
  1. to move the stage up and down
  2. to adjust the amount of light
  3. to make the image clearer
  4. to increase the magnification
Grade 11 Lab Practices and Tools
A balance is used to determine
  1. volume.
  2. weight.
  3. area.
  4. mass.
Grade 11 Scientific Method
A suggested explanation for an observation is a(n)
  1. independent variable.
  2. constant.
  3. hypothesis.
  4. dependent variable.
Grade 11 Lab Practices and Tools
Grade 11 Lab Practices and Tools
When you complete your lab work, which activity should you NOT do?
  1. Clean and return materials to proper places.
  2. Try your own experiment.
  3. Return to your own seat.
  4. Turn in your lab work.
Grade 11 Scientific Method
Grade 11 Scientific Method
Grade 11 Scientific Methods and Applications
What is the purpose of science?
  1. to understand the natural world
  2. to gather facts
  3. to solve problems in the world
  4. to prove things
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