A) only if you don't have glasses B) to avoid eye strain C) to improve vision D) any time chemicals, heat, or sediments are used to protect your eyes
A) figure it out as you do the lab B) try several methods until something works C) skip it and go to the next part D) ask the teacher before you start
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) tell the teacher at once B) visit the school nurse after class C) apply first aid yourself D) see a doctor after school
A) clean any glassware that looks dirty B) All of these 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) sandals C) slippers D) closed-toed shoes
A) Ok B) not dangerous C) okay if you are working alone D) always against the rules
A) your best friend in class B) your lab partners C) the custodian D) your teacher
A) the protection of you and your clothing B) wiping your hands C) others to put away D) when you are wearing your best clothes
A) waft the odor toward you B) pour it on the table C) use a fan D) nhale deeply
A) all of these B) read all the directions C) Clear off your table of books, food, and drinks D) Ask the teacher about any questions you have
A) classroom door B) fire extinguisher B) fire extinguisher C) all of these D) fire blanket
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) try to figure out what the sticky substance is D) wipe your hands on your pants
A) Lab coat B) gloves C) Safety glasses D) sun 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) while you are working B) before you start C) Next week D) After school
A) wash them down the sink B) throw them in the trash C) burn them in a burner 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) away from you and others B) away from you and toward others C) toward you and away from others D) toward you and others
A) let the teacher pour them B) pour them at the same time C) pour water into acid D) pour acid into water
A) true B) False
A) true B) false
A) false B) true |