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