Untitled Flashcards Set

Before the Lab: 

• Read all procedures and safety precautions BEFORE touching equipment & performing labs. 

Personal Protective Equipment: 

• Wear safety goggles at all times. 

• Wear gloves as needed. Tie long hair. 

• No sandals, loose clothing, & gum chewing on lab days.

• Keep backpacks, purses, and books by the desks (not at the lab benches).

Safety Equipment: 

• Know the location of safety equipment: shower, eye wash, fire blanket, fire extinguisher, fume hood.

Behavior: 

• Do not wander around the room, distract other students, or interfere with the laboratory experiments of others.  There is absolutely no throwing/tossing of any materials at any time in the classroom.

Heat Sources: 

• Keep the work area clear of all flammable items including notebooks, books, chemicals, etc.

• Use special care with heat sources (burners & hot plates); never place hands directly on heat sources.

• Never leave a lit burner or a hot plate in use unattended.

• Never look into a container that is being heated.

• Never point the open end of a test tube being heated at anyone.

• Take precautions when handling hot glass. Use a hot hand or tongs.

• Do not immerse hot glass in cold water.

Chemicals: 

• Handle all chemicals appropriately. 

• Read all labels on chemicals before using them.

• Take small quantities of chemicals to your lab bench.

• Do NOT return unused chemicals to the stock container.

• Keep flammable & combustible materials away from open flames.

• Handle toxic and combustible gases under the fume hood as per teacher instruction.

• Never place chemicals directly on the balance pan; use folded weighing paper or boat.

• Dispose of all materials appropriately (see lab handout or teacher).

• If chemicals get on your skin, rinse thoroughly with water (15 minutes for eyes).

Clean Up: 

• Keep the work area clean; lab stations should always be cleaned after every laboratory experiment.

• Inform the teacher of a spill immediately and then clean up according to instructions. 

• Dispose of broken glass safely.. 

End of Lab: 

• Clean & put away equipment. If not, you will lose points on your lab grade.

• Wipe the lab bench.

• Make sure the gas & water are turned off.

• Wash your hands with soap before leaving.

Reporting Problems: Report the following to the teacher immediately 

• ALL injuries

• Dangerous & unsafe conditions 

• Defective equipment

Lab Safety Symbols

You should be able to identify, name, and define all of the following symbols.