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Ninth Grade (Grade 9) Lab Practices and Tools Questions

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Grade 9 Lab Practices and Tools
Which statement applies to any laboratory situation?
  1. Clear liquids in sterile glassware can be considered safe to drink.
  2. Clean up a broken mercury thermometer with wet paper towels and dispose in the trash.
  3. Safety goggles are unnecessary if prescription glasses are worn.
  4. Do not pour solutions down the sink without teacher permission.
Grade 9 Lab Practices and Tools
What are the items shown?
Lab Tool - Filter Funnels
  1. flasks
  2. funnels
  3. beakers
  4. droppers
Grade 9 Lab Practices and Tools
Which task would the laboratory tool shown be most useful for?
Lab Tool - Micro Spatula
  1. measuring 450 milliliters of water
  2. measuring 15 milliliters of vinegar
  3. weighing 200 grams of baking soda
  4. transferring powered chemicals from a bottle
Grade 9 Lab Practices and Tools
The triple beam balance is used to measure
  1. volume.
  2. surface area.
  3. mass.
  4. weight.
Grade 9 Lab Practices and Tools
Which instrument will not help you calculate volume?
  1. ruler
  2. balance
  3. graduated cylinder
  4. beaker
Grade 9 Lab Practices and Tools
What is an MSDS?
  1. material safety directing sheet
  2. material safety data sheet
  3. material sheet directing safety
Grade 9 Lab Practices and Tools
What is the correct description of how to heat liquids or adjust the flame of a Bunsen burner?
  1. 200 degrees Celsius, easily seen flame
  2. 350 degrees Celsius, normal flame, test tube only 1/4 full and held at an angle, moved gently in and out of the flame, and never pointed at anyone
  3. 500 degrees Celsius, very hot flame for heating solids, and never use this flame on liquids
Grade 9 Lab Practices and Tools
The measurement 25.8 g is precise to the nearest
  1. gram.
  2. kilogram.
  3. tenth of a gram.
  4. hundredth of a gram.
Grade 9 Lab Practices and Tools
What is Patricia measuring when she uses a graduated cylinder?
  1. mass
  2. weight
  3. volume
  4. surface area
Grade 9 Lab Practices and Tools
You just completed an experiment and realized one of your instruments was not calibrated correctly (zeroed in). What should you do?
  1. Finish the data and conclusion section and omit the data from the uncalibrated instrument.
  2. Change the data so that it fits what you felt you would have gotten if the instrument was calibrated properly.
  3. Perform the measurements with that instrument again after properly calibrating it and then include the data in your experiment.
  4. Restart the entire experiment.
Grade 9 Lab Practices and Tools
Under which circumstances are pupils allowed to use the Bunsen burner?
  1. 'roaring flame' (air hole fully open) or 'heating liquids' flame (air hole half open)
  2. 'yellow safety' flame (air hole closed) or the 'heating liquids' flame (air hole half open).
  3. none at all
Grade 9 Lab Practices and Tools
Which set of tools could be used when doing qualitative research?
  1. binoculars, video recorder, camera
  2. balance, stopwatch, thermometer
  3. graduated cylinder, ruler, scale
Grade 9 Lab Practices and Tools
With what instrument would you measure temperature?
  1. triple beam balance
  2. graduated cylinder
  3. thermometer
  4. bathroom scale
Grade 9 Lab Practices and Tools
Which factor is related to quantitative research?
  1. thermometer
  2. field study of animal feeding behavior
  3. numerical data
  4. both a and b
  5. both a and c
Grade 9 Lab Practices and Tools
As magnification increases, the field of view
  1. decreases.
  2. increases.
  3. stays the same.
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