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Eleventh Grade (Grade 11) Lab Practices and Tools Questions

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Grade 11 Lab Practices and Tools
The function of the coarse adjustment knob on the light microscope is to
  1. make the image clearer
  2. control the amount of light
  3. move to stage up and down to focus
  4. hold the slide in place
Grade 11 Lab Practices and Tools
The following footwear is best worn in the laboratory:
  1. closed-toed shoes
  2. open-toed shoes
  3. shoes appropriate for weather
  4. sandals
Grade 11 Lab Practices and Tools
When you complete your lab work, which of the following 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 Lab Practices and Tools
The fire blanket is used to put out fires
  1. on the lab table
  2. on people
  3. on the floor
  4. none of the above
Grade 11 Lab Practices and Tools
What is the most important thing to do before starting a lab?
  1. Put on goggles
  2. Pick up your materials from the lab cart
  3. Read the entire lab
  4. Put on your lab apron
Grade 11 Lab Practices and Tools
What is the function of 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
Which of the following procedures is NOT correct?
  1. Pour acid into water
  2. Pipette by mouth
  3. Keep flammables away from open flames
  4. Never used chipped glass
Grade 11 Lab Practices and Tools
Personal eyeglasses provide as much protection as
  1. a face shield
  2. safety glasses
  3. splash proof chemical goggles
  4. none of the above
Grade 11 Lab Practices and Tools
Flammable materials, like alcohol, should never be dispensed or used near
  1. an open door
  2. an open flame
  3. another student
  4. a sink
Grade 11 Lab Practices and Tools
You are heating a piece of glass and now want to pick it up. You should
  1. use a rag or paper towels
  2. pick up the end that looks cooler
  3. use tongs
  4. put cold water on it
Grade 11 Lab Practices and Tools
How do you know how many places to write a number when measuring?
  1. Only certain numbers from marks on the instrument
  2. Use the marks on the instrument only
  3. Always use three digits
  4. Read the marks on the instrument and one estimated number
Grade 11 Lab Practices and Tools
Grade 11 Lab Practices and Tools
When working with in the laboratory, 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.
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