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