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