A) only if you don't have glasses B) to improve vision C) any time chemicals, heat, or sediments are used to protect your eyes 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) apply first aid yourself B) tell the teacher at once C) see a doctor after school D) visit the school nurse after class
A) All of these B) read all directions carefully to know what equipment is needed C) examine all glassware to check for chips or cracks D) clean any glassware that looks dirty
A) open-toed shoes B) closed-toed shoes C) slippers D) sandals
A) okay if you are working alone B) not dangerous C) Ok D) always against the rules
A) your teacher B) your lab partners C) your best friend in class D) the custodian
A) when you are wearing your best clothes B) wiping your hands C) others to put away D) the protection of you and your clothing
A) waft the odor toward you B) nhale deeply C) use a fan D) pour it on the table
A) all of these B) Ask the teacher about any questions you have C) Clear off your table of books, food, and drinks D) read all the directions
A) fire blanket B) fire extinguisher C) all of these D) classroom door B) fire extinguisher
A) treat your hands with skin lotion B) wash your hands with soap and water C) wipe your hands with a paper towel D) ipe your hands on your clothes
A) try to figure out what the sticky substance is B) wipe your hands on your pants C) wipe your hands on a classmate D) Wash your hands and tell the teacher
A) Lab coat B) Safety glasses C) gloves D) sun glasses
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) The fire blanket C) the fire extinguisher 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) follow the instructions of your teacher C) wash them down the sink D) throw them in the trash
A) ask the custodian B) your hands should be dry C) your hand must be wet D) ask the nurse.
A) away from you and toward others B) toward you and away from others C) away from you and others D) toward you and others
A) pour acid into water B) pour water into acid C) pour them at the same time D) let the teacher pour them
A) true B) False
A) true B) false
A) true B) false |