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