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) try several methods until something works B) skip it and go to the next part C) figure it out as you do the lab D) ask the teacher before you start
A) disposed of according to your teacher's directions B) dumped into the sink C) left at your table for the next class D) taken home
A) apply first aid yourself B) see a doctor after school C) visit the school nurse after class D) tell the teacher at once
A) All of these B) clean any glassware that looks dirty C) examine all glassware to check for chips or cracks D) read all directions carefully to know what equipment is needed
A) sandals B) closed-toed shoes C) slippers D) open-toed shoes
A) okay if you are working alone B) always against the rules C) not dangerous D) Ok
A) the custodian B) your best friend in class C) your lab partners D) your teacher
A) others to put away B) the protection of you and your clothing C) when you are wearing your best clothes D) wiping your hands
A) nhale deeply B) pour it on the table C) use a fan D) waft the odor toward you
A) read all the directions B) Clear off your table of books, food, and drinks C) all of these D) Ask the teacher about any questions you have
A) fire extinguisher B) all of these C) classroom door B) fire extinguisher D) fire blanket
A) ipe your hands on your clothes B) wash your hands with soap and water C) wipe your hands with a paper towel D) treat your hands with skin lotion
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) Lab coat B) sun glasses C) gloves 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) Your coat B) the fire extinguisher 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) follow the instructions of your teacher B) burn them in a burner C) wash them down the sink D) throw them in the trash
A) ask the nurse. B) your hand must be wet C) your hands should be dry D) ask the custodian
A) away from you and toward others B) toward you and others C) toward you and away from others D) away from 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) false B) true |