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Eighth Grade (Grade 8) Lab Practices and Tools Questions

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Grade 8 Lab Practices and Tools
Graduated cylinder measurements are read at the
  1. Meniscus
  2. Meninges
  3. Top of the water
  4. Sides of the water
Grade 8 Lab Practices and Tools
Before beginning certain investigations (labs), why should you first put on protective goggles and clothing?
  1. since the school bought the materials we have to use them
  2. to help us see better and keep us warm
  3. it is required to protect eyes, hands, skin, clothing due to heat or harmful chemicals
Grade 8 Lab Practices and Tools
Grade 8 Lab Practices and Tools
Why is teamwork important when you are working in a science lab?
  1. we can remind each other to be safe
  2. everyone has a job
  3. be sure that the labs are done correctly
  4. all of the above
Grade 8 Lab Practices and Tools
Measuring something is one way of
  1. collecting data.
  2. making a model.
  3. analyzing results.
  4. conducting experiments safely.
Grade 8 Lab Practices and Tools
What are the SI units for measuring length, mass, and volume?
  1. meter, kilometer, and milliliter
  2. milliliter, meter, and kilometer
  3. meter, kilogram, and liter
  4. millimeter, meter, and kilometer
Grade 8 Lab Practices and Tools
What are the steps that your teacher and the class would take to safely exit the science lab and building in case of a fire or other emergency?
  1. quickly put on protective gear, walk to a safe location, follow teacher directions, chat with friends
  2. stop, leave on protective gear, follow teacher directions, walk quietly out to a safe location
  3. walk quietly to a safe location, stop, follow teacher directions
Grade 8 Lab Practices and Tools
What is the importance of the International System of Units?
  1. It is the oldest system and the most widely used.
  2. It is the oldest system and the most secure.
  3. It is an easy system and used by scientists all over the world.
  4. It is an easy system and the least reliable.
Grade 8 Lab Practices and Tools
Grade 8 Lab Practices and Tools
Why is the International System of Units important?
  1. It is based on the number 10 and is used by most scientists.
  2. It is easy to use, and scientists can keep data confidential with it.
  3. It is used only by countries competing for scientific knowledge.
  4. It helps to promote good relations among countries of the world.
Grade 8 Lab Practices and Tools
Which tools can be used for collecting and analyzing data in science?
  1. scissors, calculator, stapler, envelope
  2. meter stick, stopwatch, balance, computer
  3. scanner, computer, printer, speakers
  4. stopwatch, screwdriver, meter stick, drill
Grade 8 Lab Practices and Tools
Grade 8 Lab Practices and Tools
Which measurement tool could be marked with units in Kelvin?
  1. a balance
  2. a thermometer
  3. a test tube
  4. a pH meter
Grade 8 Lab Practices and Tools
What are the dangers of chemical fumes? (there may be more than one)
  1. suffocation
  2. bleeding
  3. loss of consciousness
  4. bruising
Grade 8 Lab Practices and Tools
Grade 8 Lab Practices and Tools
Which activity would an engineer do but not a scientist?
  1. record measurements
  2. make observations
  3. draw conclusions
  4. build a prototype
Grade 8 Lab Practices and Tools
Grade 8 Lab Practices and Tools
The International System of Units is used
  1. only in the United States
  2. only in France
  3. in most of Europe
  4. all over the world
Grade 8 Lab Practices and Tools
What do you do when you spill chemicals on the floor?
  1. Clean it up
  2. look at it
  3. tell teacher
  4. inform classmates
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