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