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