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