Responses
Water freezes at 0°C and boils at 100°C.
Water freezes at 0°C and boils at 100°C.
A small insect stands on a lake, without swimming or paddling.
A small insect stands on a lake, without swimming or paddling.
A stream flows around rocks and other obstacles, but always downhill.
A stream flows around rocks and other obstacles, but always downhill.
Water dissolves sugar, salt, and many other substances.
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 illustrates surface tension because the insect is able to stand on the water's surface due to the cohesive forces between water molecules that create a "skin" effect.
