Lab Safety and Equipment Presentation The most important

Lab Safety and Equipment Presentation

The most important Lab Safety Rule……. . • Always follow directions

Goggles • Goggles should always be worn when chemicals are used, heated, or mixed.

Chemical Rules: • If you get chemicals in your eyes or on your skin, wash for 15 minutes. • Never EVER point a test tube or bottle that you are heating toward yourself or anyone else.

Chemical Rules: • If you need to smell a chemical, hold it 6 inches away from your nose and wave the fumes toward your nose. • NEVER smell chemicals directly!!!!

Cleanliness: • Your lab area should always be clean when you start a lab and when you finish a lab. • If a toxic substance was used, follow proper disposal directions

Just say NO: • Horseplay is NEVER allowed in the lab. If you are caught horse-playing you will be kicked out of the lab. • Food, drinks or gum is NOT allowed to be out during a lab.

Dress Code: • Always tie long hair back • Closed-toe shoes only • No loose clothing; roll baggy sleeves up tight

Fire: • If there is a fire in the room, notify the teacher IMMEDIATELY. • If the fire is on you……. .

Always remember: • Its better to be safe than sorry • Tell the teacher if any accident occurs

• For the next few slides answer correct or incorrect.

Safety Symbols

Clothing Protection

Biological

Corrosive

Disposal Safety

Electrical Safety

Extreme Temperatures

Fumes

Sharp Object Safety

Toxic

Irritant

Flammable

Eye Safety

Animal Safety

Lab Equipment

Beaker • Used to hold measure and transport liquids

Bunsen Burner • To heat substances

Cover Slip • To flatten the object being viewed and to keep the lens clean

Dissecting Tools: • Dissecting pins: to stabilize the organism • Dissecting scissors: to cut the organism • Dissecting tray: To hold the organism

Medicine Dropper: • Transports or measures out small amounts of a liquid

Forceps: • Similar to tweezers; used to grab small objects

Funnel: • Used when pouring things from one container to another to avoid spills

Graduated Cylinder: • Designed to make accurate volume measurements which are always read from the bottom of the curve (meniscus)

Hand Lens • Magnifies small objects up to 10 times

Microscope • Used to view very small objects at a magnification of 40 to 100 times

Petri Dish • Flat disk with a cover used primarily to grow bacteria

Pipette • Used to transport liquids (usually small drops)

Probe • A pointed object used to examine organisms (used during dissection)

Metric Ruler • Used to measure length

Safety Goggles • To protect your eyes

Scalpel • A small blade used to cut tissues

Test Tube: • Made of special glass; used to carry and heat chemicals

Test Tube Rack • Designed to hold test tubes

Thermometer • An instrument for determining temperature

Triple Beam Balance • An instrument used for measuring mass