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