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