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