How Well Do You Wash Your Hands? | STEM Activity
Rinse your hands briefly with just warm water. How much paint is left on your hands? Rub your hands together briefly under running water. How much paint is left on your hands now? Use some soap, and count to 5 while washing your hands. Now how much paint is left? Continue to use soap, and wash your hands for another 15 seconds. Examine your hands.