August 23 Lab Safety

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August 23Lab Safety
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Bad Things Happen

• Bunsen and Beaker - Fireproof Paper

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Lab Safety Discussion

• Take 5 minutes to discuss and write out 5
  hazards that you think might be in the lab.

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Lab Safety Discussion

• Take 5 minutes to discuss and write 5 rules you
  think would be good to follow in a laboratory.

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LAB SAFETY RULES
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Know where all safety equipment and MSDS sheets
are kept!
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Science laboratories must be equipped with all of
the following safety equipment except?

1. Eyewash station
2. Fire blanket
3. Fire extinguisher
4. Flame Thrower

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MSDS stands for-

1. Materials Standards Demand Safety
2. Make Safety Determinations Simple
3. Material Safety Data Sheet
4. Many Students Demand Safety

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Keep all food and drinks out of the lab!
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True or False?

• Since water is an neutral chemical, it is
  acceptable to have a water bottle in the lab.

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Listen to and follow all oral and written
instructions!
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Do not begin any lab activities without
permission from the teacher!
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Perform only the lab activities that have been
assigned. Never make up your own experiment!Do
not press this button
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Be sure to keep your work area free from all
clutter in order to keep your work area clean and
orderly!
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If you do not understand an oral instruction or
written portion of the procedure, you should

1. Figure it out as you complete the lab.
2. Try several approaches to find the one that works
   best.
3. Skip to the next part of the lab.
4. Ask the instructor for assistance.

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Place all lab equipment away from the edge of the
lab table to prevent accidents. Report any
accidents to the teacher immediately.
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Stay in your assigned group and conduct
yourself appropriately (NO HORSEPLAY)!
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Which of the following is not horseplay?

1. Breaking a test tube as a result of turning the
   water on too high.
2. Trading lab materials with other groups to make
   it more interesting.
3. Hitting Jimmy because he pulled your hair.
4. Performing unauthorized experiments.

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Always report any accidents (cuts, scrapes,
burns, chemical spills, fires, etc.) immediately
and take appropriate safety measures!
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Keep long hair tied back and secure
any baggy clothes!
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Which of the following footwear is inappropriate
for the lab?

1. Tennis shoes
2. Closed-toe shoes
3. Boots
4. Flip-Flops

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Wear safety goggles and lab aprons when
appropriate! Do not wear contact lenses in the
lab when using chemicals!
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True or False?

• Personal eyeglasses provide the same amount of
  protection as safety glasses (goggles) worn in
  the lab.

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Never use broken or cracked glassware! Notify
the teacher immediately of any broken equipment
and dispose of it appropriately.
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Use a test tube clamp to hold a test tube and
always point the open end away from yourself and
others!
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Never leave hot plates, Bunsen burners, candles,
etc. unattended!
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Keep water away from all electrical equipment!
Plug in and unplug all lab equipment correctly.
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How many safety errors are being made by this
student?

1. 1
2. 2
3. 3
4. 4

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Never use chemicals from unlabeled containers!
Dispose of chemicals as instructed by the
teacher. Never return used chemicals to the
original container.
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Use a wafting motion to detect odors! Never
inhale (smell) fumes directly!
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When using a wafting motion-

1. Place your nose directly over the container.
2. Gently blow into the container to release
   molecules.
3. Use your hand to move the molecules toward your
   nose.
4. None of the above.

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Never taste any chemicals! For your safety keep
chemicals from contacting the eyes and skin!
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If a chemical contacts the skin be sure to wash
the area immediately using-

1. Soap and water
2. Oil
3. A weak base
4. Plenty of water

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Handle sharp instruments carefully! Always cut
away from your body.
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Clean up your lab area when finished. Return all
supplies to the appropriate location!
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True or False?

• Conservation of materials should be encouraged.
  Students should return any unused chemicals to
  the original container.

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Wash hands thoroughly before leaving the lab!
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Failure to follow lab safety rules will result in
your removal from the activity and a zero for
lab participation!
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Lab Safety 101

• Video