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) try several methods until something works B) ask the teacher before you start C) skip it and go to the next part D) figure it out as you do the lab
A) taken home B) left at your table for the next class C) disposed of according to your teacher's directions D) dumped into the sink
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) clean any glassware that looks dirty B) read all directions carefully to know what equipment is needed C) All of these D) examine all glassware to check for chips or cracks
A) open-toed shoes B) sandals C) slippers 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) the custodian C) your lab partners D) your best friend in class
A) the protection of you and your clothing B) when you are wearing your best clothes C) others to put away D) wiping your hands
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) Clear off your table of books, food, and drinks C) all of these D) read all the directions
A) fire extinguisher B) all of these C) fire blanket D) classroom door B) fire extinguisher
A) ipe your hands on your clothes B) wash your hands with soap and water C) treat your hands with skin lotion D) wipe your hands with a paper towel
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) sun glasses B) Safety glasses C) Lab coat D) gloves
A) put her hair up in a rubber band B) gotten a hair cut before class today C) skipped the lab D) worn a hat today
A) Your coat B) the fire extinguisher C) The fire blanket D) Water from the sink
A) Next week B) before you start C) After school D) while you are working
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) your hands should be dry B) your hand must be wet C) ask the nurse. D) ask the custodian
A) toward you and others B) toward you and away from others C) away from you and others D) away from you and toward 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) true B) False
A) false B) true
A) true B) false |