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