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