Safety

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Safety Practices for 8th Grade Science Students
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Working with
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Heat or Fire
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When working with heat or fire, you will need to
wear safety goggles.
To move hot objects you will need to use the
right tongs. Different types of containers use
different sets of tongs.
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1. Use a hot plate only when specifically
instructed. 2. If you have long hair, pull it
away from your face or put in a ponytail. 3. Use
tongs or heavy gloves to handle hot items.
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4. Do not put your face or hands over any
boiling liquid. 5. When heating chemicals or
other materials, be sure the containers are made
of heat-proof glass.
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6. Never point container at anyone while it is
being heated. 7. Keep all extra materials away
from heat sources. 8. Handle hot liquids with
care.
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• 9. Turn off the heat source as soon as you are
  finished with it.
• Do not move the hot plate or burner.
• Hot and cold glassware look exactly the same.

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Working with
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Electrical Hazard
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1. Do not leave electrical cords where someone
could trip over them.
2. Keep cords away from a heat source and water.
3. Never touch electrical equipment or cords
with wet hands.
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4. Turn off all equipment when finished with an
investigation.
5. Grasp the plug to disconnect equipment. Do
not pull on the cord.
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Working with
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Sharp/Pointed Object
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1. When cutting, place the object on a flat
surface. Do not hold it in your hand. 2.
Always handle sharp instruments carefully. They
can cause severe cuts if used incorrectly.
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3. Do not walk fast or run with sharp objects in
your hands. 4. Always cut away from your body
and others.
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Working with
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When working with chemicals, you will need to
wear safety goggles. Regular eyeglasses do not
give adequate protection.
Many chemicals require the use of gloves. Check
your MSDS sheet or lab write-up for the right
equipment.
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Many chemicals can stain or dissolve fabrics.
Aprons should be worn to protect your clothing.
Check your lab write-up or MSDS sheet to
determine if tongs are needed to handle
containers of chemicals.
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1. Keep your hands away from your face, eyes, and
body while using solutions. 2. Dont taste test
papers such as pH or litmus. Never place
testing chemicals such as Benedicts Solution
in your mouth. 3. Dispose of litmus paper,
wooden splints, tooth picks,and paper towels
in the appropriate, designated container.
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• 4. Label and date all containers that
  are used to hold chemicals.
• The white patch on many pieces of glassware can
  be used to mark the containers.
• Use a pencil to mark on these patches. Erase
  marks when you are finished using the glassware.
• If no white patch is present, a china marker or
  wax pencil can be used.

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• Many chemicals that you use are classified as
  toxic.
• Toxic substances are poisonous.
• The toxic substance can be a chemical or a toxin
  produced by a plant, animal, or pathogenic
  bacteria.

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Corrosive Substance
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• Corrosive chemicals are substances that, by
  direct contact, cause injury to body tissue.
• The injury may be slight causing a minor burn or
  irritation or it may be severe enough to destroy
  body tissue.
• The chemical action that occurs depends on the
  chemical properties of the substance.

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1. Acids and bases easily react with other
substances.
2. When acids are combined with water they can
splash and get on your hands, your face, or in
your eyes.
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3. If you get any chemical on your clothes or
your skin, notify the teacher immediately.
4. If you need to combine an acid or a base
with water, remember Always add acids and bases
to water NOT the other way
around.
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Always follow your teachers instructions when

• modifying lab procedures.
• performing activities outside the lab procedure.
• an injury occurs.

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• Always follow your teachers instructions when
• throwing away chemicals and other materials.
• cleaning up spilled materials.
• cleaning up broken glassware.

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No
Horseplay or Fooling around in the laboratory!
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Laboratory
or
or
or
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Work comes before talking!
Always Practice Lab Safety