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