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Tenth Grade (Grade 10) Lab Practices and Tools Questions

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Grade 10 Lab Practices and Tools
When testing for odors, what technique should be used?
  1. allowing your partner to sniff it first
  2. using a wafting motion (gently waving hand towards nose)
  3. inhaling gently
  4. asking the teacher to do it for you
Grade 10 Lab Practices and Tools
                        invention of the microscope is the basis of microbiology today.
  1. William Harvey's
  2. Gabriel Fahrenheit's
  3. Anton von Leeuwenhoek's
  4. William Roentgen's
Grade 10 Lab Practices and Tools
You should know both the location of safety equipment in the laboratory and                       .
  1. how to take it apart
  2. how much it cost
  3. where it is produced
  4. how to use it properly
Grade 10 Lab Practices and Tools
Which represents a quantitative observation?
  1. unit
  2. measurement
  3. element
  4. ruler
Grade 10 Lab Practices and Tools
What is the main difference between qualitative and quantitative observations?
  1. There is no difference.
  2. Quantitative is expressed in numbers, and qualitative describes characteristics.
  3. Quantitative describes characteristics, and qualitative is expressed in numbers.
  4. Quantitative is used for field studies, and qualitative is used for experiments.
Grade 10 Lab Practices and Tools
A tool used to view very small items, such as cells, is
  1. eye glasses.
  2. a magnifying glass.
  3. a microscope.
  4. a television.
Grade 10 Lab Practices and Tools
The type of microscope that uses electron beams, rather than light, to produce images is the
  1. microscope.
  2. light microscope.
  3. electron microscope.
  4. compound light microscope.
Grade 10 Lab Practices and Tools
What Dutch naturalist devoted his life to studies with the microscope?
  1. Andreas Vesalius
  2. Anton van Leeuwenhoek
  3. Blaise Pascal
  4. Robert Hooke
Grade 10 Lab Practices and Tools
Grade 10 Lab Practices and Tools
Grade 10 Lab Practices and Tools
What is the first thing you should do if there is an accident in the lab?
  1. Notify the instructor.
  2. Clean it up.
  3. Leave the class.
  4. Wait until your lab partner cleans it up.
Grade 10 Lab Practices and Tools
You are using a new chemical in the lab that you have not seen before. Like all good scientists, you check the MSDS sheet. What is an MSDS sheet?
  1. safety map of the classroom
  2. list of safety rules for the class
  3. summary of information about a hazardous chemical
  4. contract between the chemical company and the school
Grade 10 Lab Practices and Tools
When diluting an acid, always pour the
  1. water into the acid.
  2. acid into the water.
  3. acid down the drain.
  4. acid and water into a new container at the same time.
Grade 10 Lab Practices and Tools
Because you may come in contact with organisms you cannot see, what safety procedure must always be followed?
  1. Read over your activity.
  2. Measure everything carefully.
  3. Wash your hands thoroughly after completing the activity.
  4. Do not wear long sleeves.
Grade 10 Lab Practices and Tools
A chemical that causes cancer is a(n)
  1. irritant.
  2. corrosive substance.
  3. carcinogen.
  4. poison.
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