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