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