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Seventh Grade (Grade 7) Lab Practices and Tools Questions

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Grade 7 Lab Practices and Tools
When should you wear safety goggles?
  1. At all times in the lab
  2. When heating items or working with chemicals
  3. Only if the teacher tells you too
  4. Only if there's been a chemical spill that might affect your eyes
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
Goggles help                         in science.
  1. protect the eyes
  2. scientists see better
  3. scientists look stylish
  4. see underwater
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
Scientists can make observations with
  1. instruments
  2. sight
  3. hearing
  4. touch
  5. all of the above
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 group on which a test is performed.
  1. Experimental Group
  2. Control Group
  3. Variables
  4. Environment
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 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
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
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
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
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
If you think there is something wrong with a piece of equipment, stop, turn it off and tell
  1. the lab partner
  2. the class leader
  3. the teacher
  4. the custodian
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
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