The document discusses lab safety procedures and why safety is important. It covers safety symbols, investigations in the lab and field, and why following safety regulations is essential. Students should think about safety symbols like irritant and toxic when using bleach, as it can irritate skin and eyes or stain clothes. Safety gear like goggles or gloves should always be worn during investigations.

1. Safety in the Lab Obj. 1 Demonstrate lab safety procedures

2. What will you learn ???? Safety Symbols Investigations in the lab Why safety is important

3. Safety Symbols Disposal Biological Extreme temperature Sharp object Fume Electrical Irritant Chemical Toxic Open flame Eye safety Clothing protection Animal Safety radioactivity

4. Think Critically You are going to use bleach in an investigation. Bleach can irritate your skin, damage your eyes, and stain you clothes. What safety symbols should be listed with this investigation? Explain why.

5. Investigations in the Lab Think before you act Get permission before you begin Know location of safety equipment (i.e. eyewash station, fire extinguisher) Find and follow all safety symbols Never eat/drink or apply make-up in lab Report all accidents/injuries immediately Wash hands Put all material away as directed

6. Investigations in the Field Rivers Farm fields Forests Can you think of anymore examples? Safety regulations MUST be followed in the field as well!!!!

7. Why is SAFETY so Important? Decreases possibility of an accident Prepared when accidents occur The MOST important aspect of an investigation is to conduct it SAFELY !

8. Review Which of the following cannot protect you from splashing acid? A. Goggles B. Fire extinguisher C. Apron D. Gloves

9. What you learned Safety Symbols Investigations in the lab Why safety is important THE END

10. B. Fire extinguisher WAY TO GO

11. Try Again

12. Safety Video

13. Open flame Open flame may ignite flammable chemicals, loose clothing, or hair

14. Animal Safety This symbol appears when safety of animals and students must be ensured.

15. Clothing protection This symbol appears when substances could stain or burn clothing.

16. Eye safety Proper eye protection should be worn at all times by anyone performing or observing science activities

17. Toxic Substance may be poisonous if touched, inhaled, or swallowed

18. Chemical Chemicals that can react with and destroy tissue and other material

19. Irritant Substance that can irritate the skin or mucous membranes of the respiratory tract

20. Electrical Possible danger from electrical shock or burn

21. Fume Possible danger to respiratory tract from fumes

22. Sharp object Use of tool or glassware that can easily puncture or slice skin

23. Extreme Temperature Objects that can burn skin by being too hot or too cold

24. Biological Organisms or other biological materials that might be harmful to humans

25. Radioactivity This symbol appears when radioactive materials are used.

26. Disposal Special disposal procedures need to be followed