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Seventh Grade (Grade 7) Lab Practices and Tools Questions

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Grade 7 Lab Practices and Tools
If you do not understand a direction or part of a lab procedure, you should
  1. figure it out as you go through the lab.
  2. try several methods until something works.
  3. ask the teacher before proceeding.
  4. skip it and go on to the next part.
Grade 7 Lab Practices and Tools
Why do scientists use mathematics and statistical methods in science?
  1. Scientists usually like math and science equally.
  2. They help scientists base conclusions on facts rather than observations.
  3. They are useful tools for collecting and analyzing data.
  4. None of the above
Grade 7 Lab Practices and Tools
Which temperature scales do scientists use to measure temperature?
  1. Kelvin
  2. Celsius
  3. Fahrenheit
  4. Both a and b
Grade 7 Lab Practices and Tools
What are the correct units for measuring volume?
  1. cubic meter, cubic centimeter, liter
  2. Celsius, Kelvin, Fahrenheit
  3. millimeter, centimeter, meter
  4. milligram, gram, kilogram
Grade 7 Lab Practices and Tools
Which scientific tool would a scientist use to measure the volume of a liquid?
  1. graduated cylinder
  2. flask
  3. pipette
  4. scale
Grade 7 Lab Practices and Tools
What can scientists use to make observations?
  1. instruments
  2. sight
  3. hearing
  4. touch
  5. all of the above
Grade 7 Lab Practices and Tools
Which microscope would you use to study the surface of an object?
  1. compound
  2. light
  3. scanning electron
  4. transmission electron
Grade 7 Lab Practices and Tools
Which scientific tool would a scientist use to find the mass of a small steel rod?
  1. balance
  2. computer
  3. hot plate
  4. meter stick
Grade 7 Lab Practices and Tools
What type of shoes should you wear at your lab station?
  1. no shoes
  2. open-toed shoes
  3. closed-toed shoes
  4. flip-flops
Grade 7 Lab Practices and Tools
If you are hurt (cut, burned, etc.), tell the
  1. school nurse.
  2. teacher at once.
  3. class at once.
  4. lab partner at once.
Grade 7 Lab Practices and Tools
In the science lab, you should never
  1. cut away from yourself.
  2. enter the closets without permission.
  3. stay in your seat.
  4. clean up before you leave.
Grade 7 Lab Practices and Tools
The compound light microscope has two eyepieces.
  1. True
  2. False
Grade 7 Lab Practices and Tools
What is the proper method for heating test tubes?
  1. heating only the sides
  2. heating only the bottom
  3. heating both the sides and the bottom
  4. any of the above
Grade 7 Lab Practices and Tools
When an accident occurs in the science lab, what is the most important thing to do?
  1. Use a fire blanket.
  2. Run to the emergency shower.
  3. Use a fire extinguisher.
  4. Notify your teacher immediately.
Grade 7 Lab Practices and Tools
What is the correct way to move around your lab station?
  1. run
  2. skip
  3. walk
  4. hurry
Grade 7 Lab Practices and Tools
Who was the first scientist to use a microscope to observe and identify cells?
  1. Anton van Leeuwenhoek
  2. Aristotle
  3. Carolus Linnaeus
  4. Robert Hooke
Grade 7 Lab Practices and Tools
What is another name for a detecting microscope?
  1. compound light
  2. stereo microscope
  3. triple beam balance
  4. curved cylinder
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