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Seventh Grade (Grade 7) Lab Practices and Tools Questions

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Grade 7 Lab Practices and Tools
A group on which a test is performed.
  1. Experimental Group
  2. Control Group
  3. Variables
  4. Environment
Grade 7 Lab Practices and Tools
Safety rules in the lab include:
  1. Closed in shoes
  2. No ties or spray jackets
  3. Hair tied back and out of face
  4. All of the above
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
Grade 7 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 7 Lab Practices and Tools
Grade 7 Lab Practices and Tools
The most important thing to do whenever an accident occurs is to...
  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
If a healthcare worker wanted to view a highly detailed image of a virus attached to the surface of a cell, which microscope would be the best choice?
  1. compound light microscope
  2. scanning electron microscope
  3. simple light microscope
  4. transmission electron microscope
Grade 7 Lab Practices and Tools
What is the advantage of electron microscopes over light microscopes?
  1. lower cost
  2. higher magnification and resolution
  3. portability
  4. simpler technology
Grade 7 Lab Practices and Tools
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
When measuring with a graduated cylinder you measure from...
  1. The top of the meniscus
  2. The bottom of the meniscus
Grade 7 Lab Practices and Tools
The number 1 priority in the science classroom is:
  1. Getting the correct answer
  2. Have Fun
  3. Safety
  4. Finishing quickly
Grade 7 Lab Practices and Tools
A beaker full of water falls. What is the first thing you do?
  1. Yell loudly to scare everybody
  2. Move out the way
  3. Tell your friend so they can catch it
  4. Try and reach out and grab it
Grade 7 Lab Practices and Tools
When you work in the laboratory long hair must be
  1. cut off
  2. held with both hands
  3. pulled back in a ponytail
  4. combed nicely
Grade 7 Lab Practices and Tools
Which of the following tools would give the most precise measurement of 15 milliliters of water?
  1. a 50 ml beaker
  2. a 50 ml graduated cylinder
  3. a 500 ml beaker
  4. a 500 ml graduated cylinder
Grade 7 Lab Practices and Tools
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