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