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