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