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) skip it and go to the next part B) try several methods until something works C) ask the teacher before you start D) figure it out as you do the lab
A) disposed of according to your teacher's directions B) left at your table for the next class C) taken home 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) examine all glassware to check for chips or cracks B) read all directions carefully to know what equipment is needed C) clean any glassware that looks dirty D) All of these
A) closed-toed shoes B) sandals C) slippers D) open-toed shoes
A) okay if you are working alone B) not dangerous C) Ok D) always against the rules
A) your best friend in class B) your teacher C) your lab partners D) the custodian
A) when you are wearing your best clothes B) others to put away C) the protection of you and your clothing 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) read all the directions D) all of these
A) classroom door B) fire extinguisher B) fire extinguisher C) all of these D) fire blanket
A) wipe your hands with a paper towel B) wash your hands with soap and water C) treat your hands with skin lotion D) ipe your hands on your clothes
A) wipe your hands on a classmate B) wipe your hands on your pants C) try to figure out what the sticky substance is D) Wash your hands and tell the teacher
A) gloves B) Lab coat C) Safety glasses D) sun glasses
A) gotten a hair cut before class today B) skipped the lab 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) while you are working C) before you start D) After school
A) burn them in a burner B) throw them in the trash C) follow the instructions of your teacher D) wash them down the sink
A) ask the nurse. B) ask the custodian C) your hand must be wet D) your hands should be dry
A) away from you and others B) toward you and others C) toward you and away from others D) away from you and toward others
A) let the teacher pour them B) pour acid into water C) pour water into acid D) pour them at the same time
A) true B) False
A) true B) false
A) false B) true |