A) open the windows. B) run for the fire extinguisher. C) notify the teacher. 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) figure it out as you do the lab. B) ask the teacher before proceeding. C) skip it and go on to the next part. D) try several methods until something works.
A) disposed of according to your teacher's directions. B) neatly left at your lab station for the next class. C) dumped in the sink. D) taken home.
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) always against the rules. B) okay. C) okay if you are working alone. D) not dangerous.
A) wipe your hands on your clothes. B) treat your hands with skin lotion. C) wipe your hands on a towel. 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 teacher's closet C) in the back of the room, near the windows D) inside the cabinets in the back of the room
A) listening for the escaping of gases B) testing by taste C) looking for a color change D) feeling for the production of heat
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) first notify the teacher, then flush with water at the eyewash station for 15 minutes. C) shake your head back and forth violently to make your eyes water. D) have your lab partner run to the nurse for Visine.
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. |