Lab safety stations

1. Lab safety stations Class review

2. Station 1: Reading directions • Suppose you are going to begin a scientific investigation. What should be one of the first things everyone in your group should do? • The first thing you should do at the beginning of a lab is read ALL directions.

3. Station 2: lab area safety • Imagine this is your group’s lab area. What is wrong here? • In this picture, the lab area is cluttered and supplies are scattered everywhere.

4. Station 2: Lab area safety • 2. What might happen if your lab group had such a cluttered lab area? • If my lab group had such a cluttered lab area, there would not be room to work and accidents (like spills) could happen.

5. Station 2: Lab area Safety • 3. Write a lab safety rule for this station. • Always keep the lab area clean and orderly.

6. Lab Station 3: Lab Dress Code • What do you think is the proper clothing to wear when we conduct laboratory investigations? • To dress properly for lab, you will want to wear close-toed shoes, safety goggles, a lab coat, gloves, jewelry that doesn’t hang, and long hair tied back.

7. Lab Station 4: Lab dress code • Which picture accurately shows proper lab safety in the lab? A B

8. Lab Station 4: Lab dress code • 2. Write a safety rule for this station. • Always wear safety goggles when doing a lab

9. Lab station 5: glassware and sharp object safety • What should you do if you break any of the glassware? • If glassware breaks, tell the teacher and get a new piece of glassware.

10. Lab Station 5: glassware and sharp object safety • 2. Should you use the flask below? Why or why not? • You would not use a cracked flask, because liquid could leak through the cracks, or the container may break completely and cut you.

11. Lab station 5: glassware and sharp object safety • 3. What special precautions should you take if you are using sharp objects like scalpels (knives) from the dissecting kit? • Always cut away from yourself and others.

12. Lab station 6: animal safety • If we are conducting an investigation using live animals, how should you treat the animal and why? • When working with live animals, you should treat the animal carefully and with kindness because it is a living thing.

13. Lab station 6: animal safety • 2. What should you do when you are finished handling the animal? • When you are finished handling the animal, place it carefully back in its cage and wash your hands.

14. Lab station 7: chemical safety • 1. If there is an unknown substance in the lab, should you smell it to see what it is? Why or why not? • Smelling a substance to identify it is ok, as long as it’s done safely. Don’t just sniff!

15. Lab station 7: chemical safety • 2. Write a safety rule for this station. • Never sniff anything in the lab directly. Instead, waft just a little bit of the smell up to your nose.

16. Lab station 8: Chemical safety • 1. Should you ever taste something in the lab? • You should NEVER taste ANYTHING in the lab to identify it. • 2. Write a safety rule for this station. • Never EVER taste ANYTHING in the lab without specific permission from the teacher

17. Lab station 9: chemical safety • If you spilled a chemical, what should you do? • Tell the teacher to get help in cleaning up the spill.

18. Lab station 10: chemical safety • What is the name of this safety equipment? • Eye wash station

19. Lab station 10: chemical safety • 2. When would you use it? • You would only use the eye wash station to wash dangerous chemicals out of your eyes.

20. Lab station 11: chemical safety • If you did not use all of the substances given to you for an investigation, what would you do with it? • I would ask the teacher what to do with extra supplies, then follow her instructions.

21. Lab station 11: chemical safety • 2. How would you dispose of substances used in the lab? • I would need to check with my teacher on how to dispose of extra lab supplies. Some substances I could pour down the drain, but others I would need to give to my teacher to get rid of safely.

22. Lab station 12: fire safety • List for me the steps to operate a fire extinguisher. • To operate a fire extinguisher, first pull out the pin, then point the hose toward the flame, then squeeze the handle at the top.

23. Lab station 12: fire safety • 2. What 3 words do you remember about fire safety if your clothing were to catch on fire? • If your clothes catch on fire, just remember to stop, drop, and roll.

24. Lab station 13: clean up • What should you always remember to do before leaving the lab? • Always remember to wash your hands before leaving the lab.

25. Lab station 14: clean up • Class is about to end, what should happen here? • This lab area should get cleaned up

26. Lab station 14: clean up • 2. Write a lab safety rule for this station • Always clean up before leaving the lab area

27. Lab station 15: general safety • What is proper conduct in the lab? • Proper conduct in the lab is to be safe. Don’t be Goofy!

28. Lab station 16: glassware safety • Can you tell which one of these glass Erlenmeyer flasks is hot? Why or why not? • Both of these flasks look the same, because glass does not change color or shape when heated.

29. Lab station 16: glassware safety • 2. What precaution must be taken here? • Use protective gloves when handling all potentially hot glassware.