A) open the windows. B) notify the teacher. C) throw water on the fire. D) run for the fire extinguisher.
A) only if you do not have corrective glasses. B) to avoid eye strain. C) to improve your vision. D) any time chemicals, heat, or glassware are used.
A) ask the teacher before proceeding. B) skip it and go on to the next part. C) figure it out as you do the lab. D) try several methods until something works.
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) see a doctor after school B) visit the nurse after class C) tell the teacher immediately D) apply first aid yourself
A) cut short. B) always neatly groomed. C) tied back or kept entirely out of the way with a hair band, etc. D) held away from the experiment with one hand.
A) not dangerous. B) okay. C) always against the rules. D) okay if you are working alone.
A) wipe your hands on a towel. B) wash your hands thoroughly with soap and water. C) treat your hands with skin lotion. D) wipe your hands on your clothes.
A) in the front of the room, beside the teacher's desk sink B) in the back of the room, near the windows C) inside the teacher's closet D) inside the cabinets in the back of the room
A) looking for a color change B) listening for the escaping of gases C) feeling for the production of heat D) testing by taste
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) first notify the teacher, then flush with water at the eyewash station for 15 minutes. B) take your eyelids and flap them up and down to remove any chemicals trapped. C) have your lab partner run to the nurse for Visine. 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) 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. |