Which observation best demonstrates the surface tension of water? (1 point)

Water freezes at 0°C and boils at 100°C.

A stream flows around rocks and other obstacles, but always downhill.

Water dissolves sugar, salt, and many other substances.

A small insect stands on a lake, without swimming or paddling.

1 answer

The observation that best demonstrates the surface tension of water is:

A small insect stands on a lake, without swimming or paddling.

This observation illustrates the effect of surface tension, which allows certain small objects, like insects, to stay on the surface of the water without sinking.