1. Science Lab Safety Rules: RULE # 49
Always wash your hands for at least 20 seconds with soap and warm water before leaving the laboratory.
WHY?
Well, let’s see why.

2. Materials:
lotion, glitter, bucket of water, hands

3. Procedure: Put about a nickel size dollop of lotion on your hands.
Sprinkle a dash of glitter on one hand then rub hands together.

4. Procedure:
Go greet two other students at different tables and shake their hands.

5. Procedure:
Stop. Look at your hands. What do you observe? ( after the lab answer this question on PG4 of your science journal)

6. Procedure:
Go back to your table and rinse off your hands in the bucket of water. What happened? What do you observe? ( after the lab answer these question on PG4 of your science journal)

7. Procedure:
Go wash with soap for 20 sec.

8. *Why do we need to Always wash your hands for at least 20 seconds with soap and warm water before leaving the laboratory?
( after the lab answer this question on PG4 of your science journal)  
Clean up lab area and put away materials.
When is it important to wash your hands out of the lab?