Symbol

Name

Purpose

Safety Goggles

Always wear safety goggles to protect your eyes during any activity involving chemicals, flames or heating, or the possibility of flying objects, particles, or substances.

Lab Apron

 

Wear a laboratory apron to protect your skin and clothing from injury.

Breakage

 

Handle breakable materials such as thermometers and glassware with care.

Do not touch broken glass.

Heat-Resistant Gloves

 

Use an oven mitt or other hand protection when handling hot materials.

Plastic Gloves

 

Wear disposable plastic gloves to protect yourself from contact with chemicals or organisms that could be harmful.

 

Heating

.

Use a clamp or tongs to hold hot objects. Do not touch hot objects with your bare hands

Sharp Object

 

Scissors, scalpels, pins, and

knives are sharp. They can cut or puncture

your skin. Always direct sharp edges and

points away from yourself and others.

 

Electric Shock

 

Avoid the possibility of electric shock. Never use electrical equipment around water, or when the equipment or your hands are wet. Disconnect equipment when it is not in use.

Poison

 

Do not let any poisonous chemical get on your skin, and do not inhale its vapor. Wash your hands when you are finished with the activity.

Physical Safety

 

This activity involves physical activity. Use caution to avoid injuring yourself or others. Alert your teacher if there is any reason that you should not participate in the activity.

Animal Safety

 

Treat live animals with care to avoid injuring the animals or yourself. Working with animal parts or preserved animals may also require caution. Wash your hands when you are finished with the activity.

Flames

 

Tie back loose hair and clothing, and put on safety goggles before working with fire.

No Flames

 

Flammable materials may be present. Make sure there are no flames, sparks, or exposed sources of heat present.

Fumes

 

Poisonous or unpleasant vapors may be produced. Work in a ventilated area. Avoid inhaling a vapor directly. Test an odor only when directed to do so by your teacher, using a wafting motion to direct the vapor toward your nose.

Disposal

 

Chemicals and other materials used in the activity must be disposed of safely.

Hand Washing

 

Wash your hands thoroughly when finished with the activity. Use antibacterial soap and warm water. Lather both sides of your hands and between your fingers. Rinse well.

General Safety Awareness

 

You may see this symbol when none of the symbols described earlier applies. In this case, follow the specific instructions provided. You may also see this symbol when you are asked to design your own experiment. Do not start your experiment until your teacher has approved your plan.

Corrosive Chemical

 

This symbol indicates the presence of an acid or other corrosive chemical. Avoid getting the chemical on your skin or clothing, or in your eyes. Do not inhale the vapors. Wash your hands when you are finished with the activity.

Biohazard

 

This symbol indicates that there is some form of biological hazard. Use with extreme care or avoid if necessary.

Radiation

 

This symbol indicates that there is some sort of radiation near. Proceed with caution or avoid if necessary.