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