lab safety earth science. laboratory safety rules and symbols why is laboratory safety important?
TRANSCRIPT
Lab Safety
Earth Science
Laboratory Safety Rules and Symbols
Why is Laboratory Safety important?
Eye and Face Safety
Eyes and Face Safety
When doing any experiment make sure that your hair is pulled back away from your face.
Eyes and Face Safety
When you are heating a test tube or bottle, always point it away from you and others.
Electrical Safety
Electrical Safety
This tells you that you are using electricity in the laboratory.
Electrical Safety
Never use long extension cords to plug in any electrical device.
Electrical Safety
Do not plug too many appliances into one socket and cause a fire.
Electrical Safety
Never touch an electrical appliance or outlet with wet hands.
Sharp Instrument Safety
Sharp Instrument Safety
It tells you that you are working with sharp instruments.
Sharp Instrument Safety
Handle any sharp instrument with EXTREME care.
Sharp Instrument Safety
Never cut any material towards you: always cut away from you!
Sharp Instrument Safety
If your skin is cut, tell your teacher IMMEDIATELY!
Fire Safety
Fire Safety
Never use any source of fire without wearing safety goggles.
Fire Safety
Never heat anything -particularly chemicals- unless instructed to do so.
Fire Safety
Never heat anything in a closed container.
Fire Safety
Never reach across a flame.
Fire Safety
Always use a clamp, tongs, or heat-resistant gloves to handle hot objects.
Fire Safety
Always maintain a clean work area, particularly when using a flame.
Example: No papers, books, or backpacks on the desk.
Glassware Safety
Glassware Safety
Glassware can easily be broken.
Glassware Safety
Always handle glass objects carefully.
Glassware Safety
Never use broken or chipped glassware.
Glassware Safety
Never heat glassware that is not thoroughly dry.
Glassware Safety
Never pick up glass unless you know that it is not hot.
Glassware Safety
If it is hot, use heat-resistant gloves or forceps.
Glassware Safety
Always clean glassware thoroughly before putting it away.
Chemical Safety
Chemical Safety
The symbol tells you that you are using chemicals that could be hazardous.
Chemical Safety
Never smell any chemical directly from it’s container.
Chemical Safety
Always use your hand to waft some of the odor from the top of the container towards your nose.
Chemical Safety
Only do this when instructed to.
Chemical Safety
Never mix chemical unless directed to do so.
Chemical Safety
Never touch or taste any chemical unless instructed to do so.
Chemical Safety
Keep all lids closed when chemicals are not in use.
Chemical Safety
Before starting any lab, Remove all of your jewelry and watches.
Chemical Safety
Dispose of all chemicals as instructed by your teacher.
Chemical Safety
If ANY chemicals, particularly acids, get on your skin or clothes, rinse the area with water, IMMEDIATELY! Then notify your teacher.