A) open the windows. B) throw water on the fire. C) notify the teacher. D) run for the fire extinguisher.
A) to avoid eye strain. B) to improve your vision. C) only if you do not have corrective glasses. D) any time chemicals, heat, or glassware are used.
A) try several methods until something works. B) figure it out as you do the lab. C) skip it and go on to the next part. D) ask the teacher before proceeding.
A) disposed of according to your teacher's directions. B) taken home. C) neatly left at your lab station for the next class. D) dumped in the sink.
A) apply first aid yourself B) visit the nurse after class C) see a doctor after school D) tell the teacher immediately
A) cut short. B) tied back or kept entirely out of the way with a hair band, etc. C) held away from the experiment with one hand. D) always neatly groomed.
A) not dangerous. B) okay if you are working alone. C) always against the rules. D) okay.
A) wipe your hands on your clothes. B) wipe your hands on a towel. C) treat your hands with skin lotion. D) wash your hands thoroughly with soap and water.
A) in the front of the room, beside the teacher's desk sink B) inside the cabinets in the back of the room C) inside the teacher's closet D) in the back of the room, near the windows
A) in the hallway, to the left and the right of the classroom door B) in front of this classroom C) in the teacher's closet D) in the back of the room near the windows
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 my lab partner has this responsibility B) the principal mainly C) only the teacher has the responsibility 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) Conceal the accident so your group doesn't get a bad reputation. D) Crush the remaining glass fragments down to allow for easier disposal. |