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