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Seventh Grade (Grade 7) Lab Practices and Tools Questions

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Grade 7 Lab Practices and Tools
What is the most common type of accident that happens in science classes?
  1. fire
  2. chemical spillage
  3. glass breakage
  4. slips and falls
Grade 7 Lab Practices and Tools
What are the two main types of electron microscope?
  1. TEM and SEM
  2. SEM and compound
  3. SEM and light
  4. none of the above
Grade 7 Lab Practices and Tools
What instrument is used to measure humidity?
  1. barometer
  2. hygrometer
  3. anemometer
Grade 7 Lab Practices and Tools
To put out a fire in a person's hair or clothes, you should use                  .
  1. a handy chemical
  2. sink water
  3. wind from running
  4. a fire blanket
Grade 7 Lab Practices and Tools
Keep electrical equipment away from
  1. outlets.
  2. vapors.
  3. water.
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
If you see something in the classroom or laboratory that is dangerous, when should you tell the teacher?
  1. at once
  2. when you have time
  3. after class
  4. after school
Grade 7 Lab Practices and Tools
If you break a piece of glassware or other equipment, you should tell the teacher
  1. at once.
  2. at cleanup time.
  3. never.
  4. the next period.
Grade 7 Lab Practices and Tools
A beaker full of water falls. What is the first thing you do?
  1. Yell loudly to startle everybody.
  2. Move out the way.
  3. Tell your friend to catch it.
  4. Try to reach out and grab it.
Grade 7 Lab Practices and Tools
Light is reflected through the microscope diaphragm.
  1. True
  2. False
Grade 7 Lab Practices and Tools
When lighting a Bunsen burner you must open the gas first.
  1. True
  2. False
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