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