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