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