This table has a smooth surface. ✬

A fallen leaf floated on the surface of the water. ✬

Water makes up most of the earth's surface. ✬

The surface of the earth is 70% water. ✬

He stood on the surface of the moon. ✬

Land covers about 30 percent of the surface of the earth. ✬

On the same day, Apollo 11 succeeded in landing on the moon's surface. ✬

Forests cover around 9.4% of the earth's surface. ✬

The joke about the chicken crossing the road to get to the other side is an example of "anti-humor": meant to be funny because, on the surface, it is not. ✬

The petals floated on the surface of the water. ✬