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