eye protection 1. wear safety goggles 2. know where the eyewash station is located and how to use it
TRANSCRIPT
EYE PROTECTION
1. Wear safety goggles
2. Know where the eyewash station is located and how to use it.
CLOTHING PROTECTION
1. Wear a lab apron
2. Tie back long hair, secure loose clothing, and jewelry.
HAND SAFETY
1. Wear gloves
2. Allow hot items to cool before handling items
HEATING SAFETY
1. Never leave a heat source unattended while it is turned on.
2. Know where fire blanket and extinguisher are located
ELECTRICAL SAFETY
1. Never work with electricity near water
2. Check all cords for cracks or tears
CHEMICAL SAFETY
1. NO food or drinks in lab. NEVER taste chemicals.
2. Rinse chemicals off immediately if on skin, eyes or clothing
Corrosive Substance
• VERY caustic-can and will burn skin; wash immediately
• Do NOT clean up-notify teacher
EXPLOSION PRECAUTION
1. Use flammable chemicals in small amounts
2. NEVER mix chemicals together, unless instructed by teacher
GLASSWARE SAFETY
1. Check glassware for cracks and chips2. DO NOT pick up broken glass with your bare hands. Place broken glass in proper disposal container.
WASTE DISPOSAL
1. Dispose of any chemical waste only as instructed by your teacher.
2. ALWAYS dispose of waste properly
GAS PRECAUTION
1. NEVER inhale or smell chemical fumes
2. ALL chemical reactions make gas
HYGIENIC CARE
1. Keep your hands away from your face, eyes and mouth.
2. Wash hands thoroughly after doing a lab
What’s wrong in this picture?
What’s wrong in this picture?
What’s wrong in this picture?
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
•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.
•6. No food or drinks in the lab.
•7. Always clean up lab area after every experiment.
•8. Always wash hands after every lab.
•9. Absolutely no horse-play during a lab.
•10. USE COMMON SENSE.
•HAVE FUN AND LEARN!
Identifying Lab Equipment
• Names of common lab equipment
• Their uses
Erlenmeyer Flask
Mostly used to “swirl” substances; NOT for measuring out liquids
Funnel
Needed to slowly and accurately add substance
Graduated Cylinder
Precisely measure out liquids; usually in milliliters
Bunsen Burner
Most common way of heating substances
Watch Glass
Used for burning substances or place hot materials on to cool
Eye Dropper
Needed to add small amounts
Beaker
A “mixing” or “holding” container for substances; NOT for measuring amount
Florence Flask
Mostly used for boiling liquids
Wire Gauze
Used to protect beaker from direct flame of Bunsen burner
Ring Stand
Needed to set up certain apparatuses; can clamp different things to it
Ring Clamp
Used with ring stand; hold things
Test Tube
Needed when working with small amounts
Test Tube Holder Clamp
Holds a test tube so hands will not be in danger of burning
Tongs
Needed to move hot glassware; NOT used to pick up test tubes
Test Tube Rack
Holds test tubes
Triple Beam Balance
Needed to measure out solids, usually in grams