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Lab Safety Rules
Contribució de: Shaik
  • 1. Goggles are worn during science experiments
A) any time chemicals, heat, or sediments are used to protect your eyes
B) only if you don't have glasses
C) to improve vision
D) to avoid eye strain
  • 2. If you don't understand the directions or part of a lab procedure, you should -
A) try several methods until something works
B) ask the teacher before you start
C) figure it out as you do the lab
D) skip it and go to the next part
  • 3. After completing an experiment, all material waste should be -
A) left at your table for the next class
B) disposed of according to your teacher's directions
C) taken home
D) dumped into the sink
  • 4. You have been injured in the the lab (cut, burned, etc.) First you should -
A) see a doctor after school
B) tell the teacher at once
C) visit the school nurse after class
D) apply first aid yourself
  • 5. When getting glassware and equipment for an experiment, you should -
A) examine all glassware to check for chips or cracks
B) All of these
C) read all directions carefully to know what equipment is needed
D) clean any glassware that looks dirty
  • 6. The following shoes are BEST to wear when doing science labs.
A) slippers
B) open-toed shoes
C) closed-toed shoes
D) sandals
  • 7. Horseplay or practical joking in the lab are -
A) not dangerous
B) okay if you are working alone
C) always against the rules
D) Ok
  • 8. If a piece of equipment is not working you should tell -
A) your lab partners
B) your best friend in class
C) your teacher
D) the custodian
  • 9. Lab aprons are for -
A) the protection of you and your clothing
B) others to put away
C) when you are wearing your best clothes
D) wiping your hands
  • 10. When smelling a liquid you should -
A) use a fan
B) pour it on the table
C) waft the odor toward you
D) nhale deeply
  • 11. Before starting a lab you should...
A) all of these
B) Ask the teacher about any questions you have
C) read all the directions
D) Clear off your table of books, food, and drinks
  • 12. Which of the following is considered safety equipment
A) all of these
B) fire blanket
C) fire extinguisher
D) classroom door B) fire extinguisher
  • 13. When you finish working with lab equipment you should always
A) wipe your hands with a paper towel
B) ipe your hands on your clothes
C) treat your hands with skin lotion
D) wash your hands with soap and water
  • 14. You picked up a dirty test tube with a sticky substance on the outside. You get some of this substance on your hand. What is the first thing you should do?
A) Wash your hands and tell the teacher
B) wipe your hands on your pants
C) try to figure out what the sticky substance is
D) wipe your hands on a classmate
  • 15. You are working on a lab involving heat. Your lab partner accidently drops a glass beaker and it shatters causing a piece of glass to go into their eye. They should have been wearing -
A) Lab coat
B) sun glasses
C) gloves
D) Safety glasses
  • 16. You are doing a lab with your best girl friend when all of a sudden her hair gets caught on the balance scale. She should have -
A) skipped the lab
B) worn a hat today
C) put her hair up in a rubber band
D) gotten a hair cut before class today
  • 17. If you see a fire in an apparatus, or a burning liquid, it is best to put it out with
A) The fire blanket
B) Water from the sink
C) Your coat
D) the fire extinguisher
  • 18. You should prepare for each laboratory activity by reading all the instructions
A) Next week
B) before you start
C) while you are working
D) After school
  • 19. To dispose of chemicals
A) burn them in a burner
B) follow the instructions of your teacher
C) throw them in the trash
D) wash them down the sink
  • 20. Before you touch an electric plug, switch, or outle
A) your hand must be wet
B) ask the custodian
C) your hands should be dry
D) ask the nurse.
  • 21. Always point a test tube
A) away from you and toward others
B) away from you and others
C) toward you and away from others
D) toward you and others
  • 22. When mixing acid and water
A) pour acid into water
B) let the teacher pour them
C) pour them at the same time
D) pour water into acid
  • 23. You can try new experiments even if they are not in the directions as long as you are curious about science.
A) true
B) False
  • 24. Tie back long hair when using chemicals or open flames
A) false
B) true
  • 25. It is ok to leave animals in the lab to move freely
A) false
B) true
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