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