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