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