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