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