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