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Ninth Grade (Grade 9) Lab Practices and Tools Questions

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Grade 9 Lab Practices and Tools
After working with specimens in the lab, you should                                .
  1. use skin lotion
  2. wash with soap and water
  3. wash with water only
  4. wipe your hands on your clothes
Grade 9 Lab Practices and Tools
When working with electrical equipment, when should you become concerned or what kind of action should you take? (Select all that apply.)
  1. Make sure your hands are good and wet.
  2. To unplug equipment, pull the plug, not the cord.
  3. Leave it for the next class to figure out.
  4. Disconnect any circuit that becomes hot.
  5. Report frayed or damaged cords or equipment to your teacher.
Grade 9 Lab Practices and Tools
What is measured using the method of water displacement?
  1. mass
  2. volume
  3. area
  4. weight
Grade 9 Lab Practices and Tools
With what instrument would you measure mass?
  1. triple beam balance
  2. graduated cylinder
  3. metric ruler
  4. thermometer
Grade 9 Lab Practices and Tools
Which type of microscope uses light and more than one lens to view an object?
  1. compound light microscope
  2. scanning electron microscope
  3. simple light microscope
  4. transmission electron microscope
Grade 9 Lab Practices and Tools
Which task would the laboratory instrument shown be most useful for?
Lab Tool - Electronic Balance
  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
Mass is measured in
  1. meters.
  2. grams.
  3. joules.
  4. pounds.
Grade 9 Lab Practices and Tools
A thermometer measures temperature.
  1. True
  2. False
Grade 9 Lab Practices and Tools
A                 is used to measure mass.
  1. balance
  2. scale
  3. calculator
  4. microscope
Grade 9 Lab Practices and Tools
What are the items shown?
Lab Tool - Measuring Cylinders
  1. test tubes
  2. wash bottles
  3. Erlenmeyer flasks
  4. graduated cylinders
Grade 9 Lab Practices and Tools
Which task would the laboratory equipment shown be most useful for?
Lab Tool - Beakers
  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
What are the items shown?
Lab Tool - Test Tubes
  1. beakers
  2. test tubes
  3. Florence flasks
  4. graduated cylinders
Grade 9 Lab Practices and Tools
What is the advantage of the electron microscope over the light microscope?
  1. lower cost
  2. higher magnification and resolution
  3. portability
  4. simpler technology
Grade 9 Lab Practices and Tools
What is the purpose of this safety sign?
Hazard Sign - Eye Face
  1. Students should wear a protective apron.
  2. Students should put on gloves.
  3. Students should put on goggles before starting.
  4. Students should read all directions before beginning.
Grade 9 Lab Practices and Tools
What measurement tool is used to measure the volume of a liquid?
  1. scale
  2. graduated cylinder
  3. tape measure
  4. thermometer
Grade 9 Lab Practices and Tools
The fine structures of the cell can be seen with the
  1. naked eye.
  2. light microscope.
  3. phase contrast microscope.
  4. electron microscope.
Grade 9 Lab Practices and Tools
When working with liquids, you should be
  1. sitting down squarely in your seat, so you do not wobble around too much.
  2. standing up, so you can quickly move out of the way if there is a spill.
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