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