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