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