3. Carefully follow directions, both written and oral. Do only the steps described in the procedure of the experiment or that are described and/or approved.

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Presentation transcript:

3. Carefully follow directions, both written and oral. Do only the steps described in the procedure of the experiment or that are described and/or approved by the teacher. If you are in doubt about any procedure, ask your teacher for help.

4. Everyone should be alert and proceed with caution at all times in the laboratory. Take care not to bump another student and to remain at your lab station while performing an experiment. An unattended experiment can result in an accident.

5.Wear safety glasses/goggles whenever you are in the lab. Aprons are required for some experiments. You may wear aprons at your discretion for any experiment to avoid staining or ruining your clothing. 6. Clothing should be appropriate for working in the lab. Jackets, ties, and other loose garments should be removed. Ideally, dress for lab should include long pants and shoes which cover the entire foot.

7. Do not engage in horseplay such as tickling, throwing objects, squirting water, etc. Some of the most serious lab accidents have resulted due to this type of behavior. Misbehavior such as horseplay could result in your dismissal from the classroom and you may not be allowed to participate in future labs and activities.

8. If you cut yourself, spill a chemical on yourself, or receive a burn by touching a hot object, run cold water over the affected area, and you or your partner notify your teacher immediately.

9. Learn the location of the eye wash fountain and/or water faucets in your school lab. If a substance is splashed in your eyes, immediately use the eye wash fountain or a water faucet to rinse your eyes.

10. Do not taste, touch, or smell any materials unless directed to do so by your teacher. When smelling chemicals or gases, use a wafting motion to direct the odor toward your nose.

11. Extreme caution should be used when using a Bunsen burner. Keep your head and clothing away from the flame and turn off the burner when it is not in use. Long hair should be tied back to avoid it catching on fire. If your clothing should catch fire, stop, drop, and roll while your lab partner notifies the instructor. Before leaving the lab, check to see that all gas valves and hot plates are turned off.

13. Work areas should be clean and tidy at all times. Only lab procedures, lab notebooks, pencils and and sometimes calculators should be brought to the work area.

14. When an experiment is completed, always clean equipment and return it to the proper place. Clean your lab table.

15. Wash hands thoroughly with soap and water before leaving the lab.

Do not let the potential hazards listed above make you afraid to participate in the lab. If instructions are followed and care is taken, the likelihood of an accident is greatly reduced. Labs are usually the most fun-filled part of any science course.