Lab Safety

7th Grade Life Science

Safety Rules

1. Conduct yourself in a responsible manner at all times in the science classroom.

2. Follow all written and verbal instructions carefully. Ask your teacher if you do not understand the instructions.

3. Do NOT touch any of the equipment until instructed to do so.

4. Never eat, drink, chew gum, or taste anything in the science room.

Safety Rules cont.

5. Wash your hands with soap & water before leaving class.

6. Wear safety goggles when instructed.

7. Keep work area neat and free of unnecessary materials.

8. Clean all work areas & equipment at the end of the experiment.

9. Dispose of wastes as instructed by teacher.

Safety Rules cont.

10. Report any accident immediately. 11. Consider all chemicals used in the

science room to be dangerous. Do NOT touch or smell any chemicals unless specifically told to do so.

12. Do not enter the science storage room unless asked to do so.

13. Do not take supplies from the science classroom without permission.

Safety Rules cont.

14. Handle all glassware with care. Never pick up broken glass or HOT glassware with your bare hands.

15. Use extreme caution when using a hotplate or kettle.

16. Dress properly.1. Hair needs to be pulled back2. No baggy clothes 3. No daggling sleeves or jewelry

17. Learn where the safety equipment is located.

Lab Safety Equipment

Safety Shower Safety GogglesEye Wash

Lab Safety Equipment

Fire

ExtinguisherFire Blanket

Fume Hood

Safety Symbols

• Glassware• Heat• Eye and Face• Sharps• Hand Safety

• Eye Protection

• Electrical• Animal• Chemical• Fire

Other Chemical Hazards and Symbols

• Flammable

• Explosive

• Toxic/Poison

• Irritant

• Corrosive

• Environmental

Chemical Hazard Symbols and Definitions

• Flammable – Any substance that will burn if exposed to an open flame.

• Explosive – A substance that may explode if exposed to heat or flame.

Chemical Hazard Symbols and Definitions

• Toxic/Poison – A substance that can lead to death if inhaled, ingested, or absorbed by the skin.

• Corrosive – A substance that can destroy or burn living tissue and can eat away at other materials.

Chemical Hazard Symbols and Definitions

• Irritant - A substance that causes inflammation upon contact with skin or mucous membranes.

• Environmental - Substances that are harmful to the environment. They must be disposed of properly, not washed down the drain.

Waste Disposal

• First ask your teacher where/how to dispose of waste.

• Never pour anything down the drain unless you are told to do so.

• A waste bottle will be supplied for substance that cannot go down the drain

Reasons for proper waste disposal• Hazardous chemicals down the

drain can lead to pollution of ground water, lakes, rivers, etc.

• Plants and animals will die if they are exposed to hazardous chemical waste.

• Serious health problems will become present in people if hazardous waste finds its way into drinking water.

Science Safety Contract