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) try several methods until something works C) skip it and go to the next part D) figure it out as you do the lab
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) tell the teacher at once C) visit the school nurse after class D) apply first aid yourself
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) slippers B) sandals C) open-toed shoes D) closed-toed shoes
A) not dangerous B) always against the rules C) okay if you are working alone D) Ok
A) your teacher B) your lab partners C) your best friend in class D) the custodian
A) when you are wearing your best clothes B) wiping your hands C) others to put away 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) Ask the teacher about any questions you have B) read all the directions C) all of these D) Clear off your table of books, food, and drinks
A) all of these B) fire blanket C) fire extinguisher D) classroom door B) fire extinguisher
A) treat your hands with skin lotion B) wipe your hands with a paper towel C) ipe your hands on your clothes D) wash your hands with soap and water
A) wipe your hands on a classmate B) wipe your hands on your pants C) try to figure out what the sticky substance is D) Wash your hands and tell the teacher
A) gloves B) Lab coat C) sun glasses D) Safety glasses
A) skipped the lab B) put her hair up in a rubber band C) worn a hat today D) gotten a hair cut before class today
A) Water from the sink B) The fire blanket C) the fire extinguisher D) Your coat
A) while you are working B) before you start C) After school D) Next week
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) ask the custodian B) your hands should be dry C) ask the nurse. D) your hand must be wet
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 them at the same time B) let the teacher pour them C) pour water into acid D) pour acid into water
A) true B) False
A) false B) true
A) false B) true |