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