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