'O' is for Ocean

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Ollie is a handyman,
The greatest one around.
He makes toys from odds and ends
And sells them by the pound!

While walking by the ocean,
And looking at the waves,
Ollie had a great idea—
A toy that would get raves!

So Ollie mixed up liquids
And added color, too.
See if you can do the same,
And make a toy for you!


How does Ollie's ocean-in-a-bottle work?

Oil and water stay apart because the tiny particles in water are very attracted to each other but not attracted to the particles in oil. Because water is more dense than oil, when the bottle is rocked, the water runs to the bottom, pushing the oil out of its way and making waves.