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