A) open the windows. B) notify the teacher. C) throw water on the fire. D) run for the fire extinguisher.
A) to avoid eye strain. B) any time chemicals, heat, or glassware are used. C) only if you do not have corrective glasses. D) to improve your vision.
A) try several methods until something works. B) skip it and go on to the next part. C) figure it out as you do the lab. D) ask the teacher before proceeding.
A) neatly left at your lab station for the next class. B) disposed of according to your teacher's directions. C) taken home. 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) tied back or kept entirely out of the way with a hair band, etc. B) always neatly groomed. C) cut short. D) held away from the experiment with one hand.
A) okay if you are working alone. B) okay. C) always against the rules. D) not dangerous.
A) wipe your hands on your clothes. B) wash your hands thoroughly with soap and water. C) wipe your hands on a towel. D) treat your hands with skin lotion.
A) inside the teacher's closet B) in the front of the room, beside the teacher's desk sink C) in the back of the room, near the windows D) inside the cabinets in the back of the room
A) in front of this classroom B) in the back of the room near the windows 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) only the teacher has the responsibility C) every person participating in a lab has the responsibility D) only my lab partner has this responsibility
A) shake your head back and forth violently to make your eyes water. B) take your eyelids and flap them up and down to remove any chemicals trapped. 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) Immediately notify the teacher and those around you of the hazard. Do not attempt to clean it up yourself. B) Crush the remaining glass fragments down to allow for easier disposal. 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. |