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