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