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