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