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