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