A) open the windows. B) run for the fire extinguisher. C) notify the teacher. D) throw water on the fire.
A) to improve your vision. B) any time chemicals, heat, or glassware are used. C) to avoid eye strain. D) only if you do not have corrective glasses.
A) ask the teacher before proceeding. B) try several methods until something works. C) figure it out as you do the lab. D) skip it and go on to the next part.
A) dumped in the sink. B) neatly left at your lab station for the next class. C) disposed of according to your teacher's directions. D) taken home.
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) wash your hands thoroughly with soap and water. B) wipe your hands on a towel. C) wipe your hands on your clothes. D) treat your hands with skin lotion.
A) inside the cabinets in the back of the room B) in the back of the room, near the windows C) in the front of the room, beside the teacher's desk sink D) inside the teacher's closet
A) testing by taste B) looking for a color change C) feeling for the production of heat D) listening for the escaping of gases
A) only my lab partner has this responsibility B) every person participating in a lab has the responsibility C) only the teacher has the responsibility D) the principal mainly
A) shake your head back and forth violently to make your eyes water. 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) take your eyelids and flap them up and down to remove any chemicals trapped.
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. |