A) only if you don't have glasses B) to improve vision C) any time chemicals, heat, or sediments are used to protect your eyes D) to avoid eye strain
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
A) taken home B) left at your table for the next class C) dumped into the sink D) disposed of according to your teacher's directions
A) visit the school nurse after class B) see a doctor after school C) tell the teacher at once D) apply first aid yourself
A) read all directions carefully to know what equipment is needed B) examine all glassware to check for chips or cracks C) All of these D) clean any glassware that looks dirty
A) slippers B) closed-toed shoes C) open-toed shoes D) sandals
A) not dangerous B) always against the rules C) Ok D) okay if you are working alone
A) the custodian B) your teacher C) your best friend in class D) your lab partners
A) when you are wearing your best clothes B) wiping your hands C) others to put away D) the protection of you and your clothing
A) pour it on the table B) nhale deeply C) use a fan D) waft the odor toward you
A) all of these B) Clear off your table of books, food, and drinks C) read all the directions D) Ask the teacher about any questions you have
A) fire extinguisher B) classroom door B) fire extinguisher C) fire blanket D) all of these
A) treat your hands with skin lotion B) ipe your hands on your clothes C) wipe your hands with a paper towel D) wash your hands with soap and water
A) Wash your hands and tell the teacher B) wipe your hands on a classmate C) wipe your hands on your pants D) try to figure out what the sticky substance is
A) sun glasses B) Lab coat C) Safety glasses D) gloves
A) put her hair up in a rubber band B) skipped the lab C) gotten a hair cut before class today D) worn a hat today
A) Water from the sink B) the fire extinguisher C) Your coat D) The fire blanket
A) while you are working B) before you start C) After school D) Next week
A) wash them down the sink B) throw them in the trash C) follow the instructions of your teacher D) burn them in a burner
A) your hands should be dry B) ask the custodian C) your hand must be wet D) ask the nurse.
A) toward you and others B) away from you and toward others C) toward you and away from others D) away from you and others
A) pour acid into water B) let the teacher pour them C) pour water into acid D) pour them at the same time
A) true B) False
A) false B) true
A) false B) true |