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