Safety Symbols, Equipment

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Safety Symbols, Equipment Rules
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• Disposal Alert
• This symbol appears when care must be taken to
  dispose of materials properly.

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• Eye Safety
• This symbol appears when a danger to the eyes
  exists. Safety goggles should be worn when this
  symbol appears.

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• Clothing Protection Alert
• This symbol appears when substances used could
  stain or burn clothing.

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• Thermal Safety
• This symbol appears as a reminder to use caution
  when handling hot objects.

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• Electrical Safety
• This symbol appears when care should be taken
  when using electrical equipment.

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Safety Symbols
Eye Protection

• Wear safety goggles when working with chemicals,
  flames, or heating devices.
• If a chemical gets in your eye, flush in water
  for 15 minutes and notify the teacher.

Sharp Objects

• When using knifes or other sharp objects always
  walk with the points facing down.
• Cut away from fingers and body.

Electrical Safety

• Do not place a cord where someone can trip over
  it.
• Never use electricity around water.
• Unplug all equipment before leaving the room.

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• Animal Safety
• This symbol appears whenever live animals are
  studied and the safety of the animals and the
  student must be ensured.

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• Open Flame Alert
• This symbol appears when use of an open flame
  could cause a fire or an explosion.
• Fire Safety
• This symbol appears when care should be taken
  around open flames.

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Safety Symbols
Animal Safety

• Only handle living organisms with teacher
  permission.
• Always treat living organisms humanely.
• Wash your hands after handling animals.

Heating Safety

• Tie back hair and loose clothes when working
  with open flames.
• Never look into a container as you are heating
  it.
• Heated metal and glass looks cool, use tongs or
  gloves before handling.
• Never leave a heat source unattended.

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• Chemical Safety
• This symbol appears when chemicals used can cause
  burns or are poisonous if absorbed through the
  skin.

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• Fume Safety
• This symbol appears when chemical reactions could
  cause dangerous fumes.

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• Poison Safety
• This symbol appears when poisonous substances are
  used.

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• Sharp Object Safety
• This symbol appears when a danger of cuts or
  punctures caused by the use of sharp objects
  exists.

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• Biological Hazard
• This symbol appears then there is danger
  involving bacteria, fungi, or protists.

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• Radioactive Safety
• This symbol appears when radioactive materials
  are used.

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• Explosion Safety
• This symbol appears when care should be taken
  around open flames.

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• Plant Safety
• This symbol appears when poisonous plants or
  plants with thorns are handled.

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Safety Symbols
Chemical Safety

• Read all labels twice before removing a chemical
  from the container.
• Never touch, taste, or smell a chemical unless
  instructed by the teacher.
• Transfer chemicals carefully!

Hand Safety

• If a chemical spills on your skin, notify the
  teacher and rinse with water for 15 minutes.
• Carry glassware carefully.

Plant Safety

• Do not eat any plants in lab.
• Wash your hands after handling plants.

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Top Ten Rules for the Lab

• 1. ALWAYS wear safety goggles and aprons!
• 2. Always wear the right clothing closed-toe
  shoes NO sandals tie back long hair

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• 3. Read over the entire experiment before
  starting the lab.
• 4. Notify the teacher IMMEDIATELY of any
  problems.
• 5. Be aware of your surroundings in the lab.

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• 6. No food or drinks in the lab.
• 7. Always clean up lab area after every
  experiment.
• 8. Always wash hands after every lab.

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• 9. Absolutely no horse-play during a lab.
• 10. USE COMMON SENSE.
• HAVE FUN AND LEARN!

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Identifying Lab Equipment

• Names of common lab equipment
• Their uses

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Erlenmeyer Flask
Mostly used to swirl substances NOT for
measuring out liquids
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Funnel
Needed to slowly and accurately add substance
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Graduated Cylinder
Precisely measure out liquids usually in
milliliters
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Bunsen Burner
Most common way of heating substances
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Watch Glass
Used for burning substances or place hot
materials on to cool
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Eye Dropper
Needed to add small amounts
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Beaker
A mixing or holding container for substances
NOT for measuring amount
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Florence Flask
Mostly used for boiling liquids
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Wire Gauze
Used to protect beaker from direct flame of
Bunsen burner
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Ring Stand
Needed to set up certain apparatuses can clamp
different things to it
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Ring Clamp
Used with ring stand hold things
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Test Tube
Needed when working with small amounts
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Test Tube Clamp
Holds a test tube so hands will not be in danger
of burning
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Tongs
Needed to move hot glassware NOT used to pick up
test tubes
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Test Tube Rack
Holds test tubes
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Triple Beam Balance
Needed to measure out solids, usually in grams
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Whats Wrong With This Picture?
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Whats Wrong With This Picture?
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Whats Wrong With This Picture?
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Whats Wrong With These Statements?

1. Hal says that his teacher is solely responsible
   for preventing laboratory accidents.
2. Keshia started the lab activity before reading it
   through completely.
3. Ricardo decided to do a lab activity that he read
   about in a library book before the teacher came
   into the classroom.
4. Stephanie says that the safety goggles mess up
   her hair and give her raccoon eyes. She refuses
   to wear them.
5. Barbie and Ken accidentally break a beaker full
   of some chemical. Instead of risking getting in
   trouble they quickly clean up the mess with paper
   towel and throw it in the garbage.