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