Oil and Water

We read the book Ducks Don't Get Wet by Augusta Goldin. We were fascinated by the fact that ducked have an oil gland that keeps their feathers from becoming wet in the water. 

We talked about how oil and water don't mix but realized that we had to see this for ourselves. We put oil into a jar of water and put the lid on tight. We asked our friends to shake the jar. No matter how hard we shook the jar the oil always resurfaced to form a layer of oil on top of the water. If we shook the jar more gently we were able to see oil bubbles form. 

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