A) any time chemicals, heat, or sediments are used to protect your eyes B) to improve vision C) to avoid eye strain 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) left at your table for the next class C) taken home D) disposed of according to your teacher's directions
A) see a doctor after school B) tell the teacher at once C) apply first aid yourself D) visit the school nurse after class
A) clean any glassware that looks dirty B) examine all glassware to check for chips or cracks C) All of these D) read all directions carefully to know what equipment is needed
A) open-toed shoes B) slippers C) closed-toed shoes D) sandals
A) okay if you are working alone B) always against the rules C) not dangerous D) Ok
A) your best friend in class B) your lab partners C) your teacher D) the custodian
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) waft the odor toward you B) pour it on the table C) use a fan D) nhale deeply
A) read all the directions B) all of these C) Ask the teacher about any questions you have D) Clear off your table of books, food, and drinks
A) all of these B) fire blanket C) classroom door B) fire extinguisher 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) Safety glasses B) Lab coat C) gloves D) sun glasses
A) skipped the lab B) gotten a hair cut before class today C) worn a hat 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) 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 toward others B) toward you and away from others C) away from you and others D) toward you and others
A) pour acid into water B) pour water into acid C) let the teacher pour them D) pour them at the same time
A) true B) False
A) false B) true
A) true B) false |