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