A) open the windows. B) run for the fire extinguisher. C) notify the teacher. D) throw water on the fire.
A) to avoid eye strain. B) only if you do not have corrective glasses. C) any time chemicals, heat, or glassware are used. D) to improve your vision.
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) taken home. B) disposed of according to your teacher's directions. C) neatly left at your lab station for the next class. D) dumped in the sink.
A) see a doctor after school B) tell the teacher immediately C) visit the nurse after class 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) okay if you are working alone. B) okay. C) not dangerous. 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) inside the cabinets in the back of the room 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 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) first notify the teacher, then flush with water at the eyewash station for 15 minutes. D) shake your head back and forth violently to make your eyes water.
A) Sweep the glass off the table, and put it into the trash. 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) Crush the remaining glass fragments down to allow for easier disposal. |