Answer:
Round like a dishpan and smaller than a bathtub. But the ocean can't fill it. What is it?
Just head and foot yet never tires of dancing.
What is it that you must give before you can keep it.
I'm a god. I'm a planet. I measure heat.
I am a good state, there can be no doubt of itΝΎ But those who are in, entirely are out of it.
People take me on walks and I run and have fun. What am I?