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