A) you should remember to drink plenty of fresh water, because salt water will dehydrate your body B) you will not need to drink water, because there is water all around you. C) you can just drink ocean water to stay hydrated D) heat exhastion and heat stroke are not a problem in aquatic environments
A) when you have time B) right away C) after the school day is done D) after class
A) be cleaned up when you have time to do it B) covered up with paper towels until tomorrow C) ignored until the end of class D) be cleaned immediately
A) comb it nicely and apply hair spray to keep it in place B) you should securely tie it back C) hold it with both hands D) cut it off to chin length
A) show a doctor after school is out B) tell the teacher when you are done with the lab C) report it to the nurse after class D) tell the teacher now
A) closed-toe shoes B) sandals C) open-toed shoes D) bare feet
A) tell your class leader B) tell the custodian C) keep using it until the end of class D) shut it off or stop using it and tell the teacher now
A) tell the teacher immediately so it can be cleaned up and properly disposed of in a sharps container B) sweep it all into the sink C) clean it up and toss the glass into the trash can D) hide it in a drawer, so no on knows
A) lab materials only B) lab materials and personal items C) teachers D) students
A) a fire extinguisher B) the fire blanket C) your coat D) water from the sink
A) spray them with the fire extinguisher B) have them stand still and use the fire blanket to extingish the flames C) encourage them to run, so that the air will blow the flames out D) have them lay down immediately and use the fire blanket OR get them into the safety shower
A) run B) skip C) hurry D) walk
A) the teacher B) freshman only C) seniors only D) all students
A) your attention B) effort C) all of these D) interest
A) allowed to sit on a clean surface in the lab B) put into your mouth C) taken out of the cabinet at any time D) held in your hand
A) use oil to dilute the acid B) add Sulfuric acid to neutralize C) remove the clothes and wash for 15-20 minutes with water D) use a strong soap
A) to avoid myopia B) in order to read fine print C) when you are instructed to do so. D) for style, in a head-band position
A) is dangerous B) the quickest way to to complete the task C) is annoying D) is helpful
A) next week B) before beginning the lab C) after you try mixing a few chemicals to see what happens D) when someone asks you what to do next
A) is always against the rules B) ok if your work is done C) not dangerous D) permissible
A) asking some one else to do the lab for you. B) using a short cut C) hurrying to get done D) following directions
A) over a flame B) all of these C) that is closed D) in the laboratory
A) the open end is pointed away from yourself B) the open end is pointed towards yourself C) it is securely corked D) the open end points towards no person
A) ask the custodian B) make sure your hands are dry C) wash your hands and do not dry them D) make sure your hands are clean
A) all of these B) how to use a fire extinguisher C) where the fire extinguisher is located D) how to properly use a fire blanket
A) to add to your style B) to protect your skin and clothing C) only for use when wearing your best clothes D) for someone else to put away
A) notify your teacher and prepare to evacuate B) open the doors to let more air in C) start removing flammable materials D) clean the laboratory
A) use the fume hood B) pour it on the table C) inhale deeply D) waft gently towards yourself
A) after you use it B) before you use it C) both before and after you use it D) if it looks dirty
A) sit quietly and do nothing B) guess C) ask your teacher D) change partners
A) completing the laboratory activity most quickly B) safety C) excellent penmenship D) getting the correct answer
|