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