A) run for the fire extinguisher. B) throw water on the fire. C) notify the teacher. D) open the windows.
A) to improve your vision. B) only if you do not have corrective glasses. C) any time chemicals, heat, or glassware are used. D) to avoid eye strain.
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) dumped in the sink. B) neatly left at your lab station for the next class. C) taken home. D) disposed of according to your teacher's directions.
A) visit the nurse after class B) apply first aid yourself C) tell the teacher immediately D) see a doctor after school
A) held away from the experiment with one hand. B) always neatly groomed. C) tied back or kept entirely out of the way with a hair band, etc. D) cut short.
A) okay. B) always against the rules. C) not dangerous. D) okay if you are working alone.
A) wipe your hands on your clothes. B) wipe your hands on a towel. C) wash your hands thoroughly with soap and water. D) treat your hands with skin lotion.
A) inside the teacher's closet 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 cabinets in the back of the room
A) looking for a color change B) listening for the escaping of gases C) testing by taste D) feeling for the production of heat
A) every person participating in a lab has the responsibility B) the principal mainly C) only the teacher 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) first notify the teacher, then flush with water at the eyewash station for 15 minutes. C) have your lab partner run to the nurse for Visine. D) take your eyelids and flap them up and down to remove any chemicals trapped.
A) Immediately notify the teacher and those around you of the hazard. Do not attempt to clean it up yourself. B) Conceal the accident so your group doesn't get a bad reputation. C) Crush the remaining glass fragments down to allow for easier disposal. D) Sweep the glass off the table, and put it into the trash. |