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