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