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