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