A) to avoid eye strain B) only if you don't have glasses C) to improve vision D) any time chemicals, heat, or sediments are used to protect your eyes
A) ask the teacher before you start B) figure it out as you do the lab C) try several methods until something works D) skip it and go to the next part
A) taken home B) dumped into the sink C) left at your table for the next class D) disposed of according to your teacher's directions
A) visit the school nurse after class B) tell the teacher at once C) apply first aid yourself 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) closed-toed shoes B) open-toed shoes C) sandals D) slippers
A) okay if you are working alone B) not dangerous C) always against the rules D) Ok
A) your lab partners B) the custodian C) your best friend in class D) your teacher
A) when you are wearing your best clothes B) others to put away C) wiping your hands D) the protection of you and your clothing
A) nhale deeply B) pour it on the table C) use a fan D) waft the odor toward you
A) all of these B) Clear off your table of books, food, and drinks C) read all the directions D) Ask the teacher about any questions you have
A) fire blanket B) all of these C) fire extinguisher D) classroom door B) fire extinguisher
A) wipe your hands with a paper towel B) treat your hands with skin lotion C) ipe your hands on your clothes D) wash your hands with soap and water
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) 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) The fire blanket B) Water from the sink C) Your coat D) the fire extinguisher
A) Next week B) while you are working C) After school D) before you start
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 hands should be dry B) ask the custodian C) ask the nurse. D) your hand must be wet
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 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) false B) true |