A) to improve vision B) to avoid eye strain C) only if you don't have glasses 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) skip it and go to the next part D) try several methods until something works
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) visit the school nurse after class C) apply first aid yourself D) tell the teacher at once
A) read all directions carefully to know what equipment is needed B) All of these C) examine all glassware to check for chips or cracks D) clean any glassware that looks dirty
A) closed-toed shoes B) sandals C) slippers D) open-toed shoes
A) not dangerous B) Ok C) always against the rules D) okay if you are working alone
A) your lab partners B) your teacher C) your best friend in class 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) nhale deeply B) pour it on the table C) waft the odor toward you D) use a fan
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) fire extinguisher B) classroom door B) fire extinguisher C) all of these D) fire blanket
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 your pants C) try to figure out what the sticky substance is D) wipe your hands on a classmate
A) gloves B) Lab coat C) sun glasses D) Safety glasses
A) put her hair up in a rubber band B) gotten a hair cut before class today C) worn a hat today D) skipped the lab
A) Water from the sink B) the fire extinguisher C) The fire blanket D) Your coat
A) Next week B) before you start C) while you are working 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 hand must be wet B) ask the nurse. C) ask the custodian D) your hands should be dry
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) let the teacher pour them C) pour water into acid D) pour them at the same time
A) true B) False
A) false B) true
A) true B) false |