Lab Safety for students in practice PowerPoint.pptx

Chemistry lab safety

1. Lab Safety DO NOW: On Response Card Write 2-3 complete sentences about what a lab would be like without safety rules?

2. Students will demonstrate safe practices during laboratory and field investigations, including the appropriate use of safety showers, eyewash fountains, safety goggles, and fire extinguishers. Learning Objective

3. General Safety Rules 1. Listen to or read instructions carefully before attempting to do anything. 2. Wear safety goggles to protect your eyes. 3. Notify your teacher if any spills or accidents occur .

4. General Safety Rules 4. After handling chemicals, always wash your hands with soap and water. 5. During lab work, keep your hands away from your face. 6. Tie back long hair .

5. Choral Response : Who do you notify if an accident occurs? True

6. General Safety Rules 7. Roll up loose sleeves . 8. Know the location of the fire extinguisher, fire blanket, eyewash station, and first aid kit. 9. Keep your work area uncluttered . 10. Wear close-toed shoes. No sandals. .

7. Think Pair Share : Know the location of the fire extinguisher, fire blanket, eyewash station, and first aid kit. Discuss with a partner next to you where are these located in the classroom.

8. General Safety Rules 10. It is suggested that you wear glasses rather than contact lenses. Notify your teacher if you wear contact lenses. 11. Never put anything into your mouth during a lab experiment. 12. Clean up your lab area at the conclusion of the laboratory period. 13. Never “horse around” or play practical jokes in the laboratory.

9. Glassware Safety 1. Chipped or cracked glassware should not be used. Show it to the teacher. 2. Broken glassware should not be disposed of in a classroom trash can. There is a special glass disposal container for it. 3. If a piece of glassware gets broken, do not try to clean it up by yourself. Notify the teacher.

10. Glassware Safety 4. Do not place hot glassware in water. Rapid cooling may make it shatter.

11. Modified Whip Around: Why would you need to notify the teacher if you wear contact lenses? (Hint: Glasses are recommended over contact lenses) False

12. Chemical Safety 1. Wear protective goggles and a lab apron whenever heating or pouring hazardous chemical; Remove contact lenses before going into the lab. 2. Never mix chemicals together unless you are told to do so (and then only in the manner specified). 3. Never taste any chemicals (you should never taste anything in the lab).

13. Chemical Safety 4. Follow the instructions of your teacher when disposing of all chemicals. 5. Wash your hands after handling hazardous chemicals.

14. Is this statement true or false? You should wash your hands when you touch chemicals. True False

15. Electrical Safety 1. Lay electrical cords where no one can trip on them or get caught in them. 2. Be sure your hands and your lab area are dry before using electrical equipment. 3. Never poke anything into electrical outlets .

16. Electrical Safety 4. Unplug cords by pulling the plug and not the cord. 5. Unplug all electrical equipment at the end of the lab period.

17. Is this statement true or false? You should leave everything plugged in when you leave the Laboratory. True False

18. Heating Safety 1. Let burners and hotplates cool down before touching them. Test to see if they are cool enough by bringing the back of your hand close to them. 2. Use tongs and/or protective gloves to handle hot objects. 3. Never reach across an open flame or burner.

19. Heating Safety 4. Always point the top ends of test tubes that are being heated away from people. 5. When heating a test tube, move it around slowly over the flame to distribute the heat evenly. 6. If a fire erupts, notify your instructor immediately.

20. First Aid For any type of injury, immediately notify your instructor.

21. Lab Scenarios As a group, identify what is wrong and discuss how you would approach each scenario.

22. STEM CHALLENGE: Paper Tower This activity will test your ability to problem solve and communicate as a team. You will have: -3 pieces of paper -tape/ Stapler/ Scissors Your challenge: Build the tallest structure (can stand on the floor) Extra consideration given for creativity and stability