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