A) notify the teacher. B) open the windows. C) run for the fire extinguisher. D) throw water on the fire.
A) only if you do not have corrective glasses. B) to improve your vision. C) to avoid eye strain. D) any time chemicals, heat, or glassware are used.
A) try several methods until something works. B) ask the teacher before proceeding. C) figure it out as you do the lab. D) skip it and go on to the next part.
A) dumped in the sink. B) neatly left at your lab station for the next class. C) disposed of according to your teacher's directions. D) taken home.
A) see a doctor after school B) visit the nurse after class C) tell the teacher immediately D) apply first aid yourself
A) always neatly groomed. B) held away from the experiment with one hand. C) tied back or kept entirely out of the way with a hair band, etc. D) cut short.
A) okay if you are working alone. B) not dangerous. C) always against the rules. D) okay.
A) wash your hands thoroughly with soap and water. B) treat your hands with skin lotion. C) wipe your hands on a towel. D) wipe your hands on your clothes.
A) in the back of the room, near the windows B) inside the cabinets in the back of the room C) inside the teacher's closet D) in the front of the room, beside the teacher's desk sink
A) in the back of the room near the windows B) in front of this classroom C) in the hallway, to the left and the right of the classroom door D) in the teacher's closet
A) listening for the escaping of gases B) testing by taste C) feeling for the production of heat D) looking for a color change
A) the principal mainly B) every person participating in a lab has the responsibility C) only the teacher has the responsibility D) only my lab partner has this responsibility
A) take your eyelids and flap them up and down to remove any chemicals trapped. B) have your lab partner run to the nurse for Visine. C) shake your head back and forth violently to make your eyes water. D) first notify the teacher, then flush with water at the eyewash station for 15 minutes.
A) Crush the remaining glass fragments down to allow for easier disposal. B) Immediately notify the teacher and those around you of the hazard. Do not attempt to clean it up yourself. C) Conceal the accident so your group doesn't get a bad reputation. D) Sweep the glass off the table, and put it into the trash. |