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