eye protection 1. wear safety goggles 2. know where the eyewash station is located and how to use it

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