Adhesion, Cohesion & Surface Tension

Front

What is the charge of the hydrogen end of a water molecule?

Back

The hydrogen end has a slightly positive charge.

Front

What property of water allows a paperclip to float on its surface?

Back

Surface tension allows the paperclip to float.

Front

What are the attractions between water molecules called?

Back

Hydrogen bonds.

Front

What term describes the attraction of water to other substances?

Back

Adhesion.

Front

What is the term for the tendency of molecules of the same kind to stick together?

Back

Cohesion.

Front

What is the molecular structure of water?

Back

Water is a polar molecule with one oxygen atom bonded to two hydrogen atoms.

Front

How does temperature affect the surface tension of water?

Back

As temperature increases, surface tension decreases.

Front

What role do hydrogen bonds play in the properties of water?

Back

Hydrogen bonds contribute to water's high surface tension, cohesion, and adhesion.

Front

What is the significance of water's high specific heat?

Back

It helps regulate temperature in the environment and in living organisms.

Front

How does cohesion affect water movement in plants?

Back

Cohesion helps water molecules stick together, allowing for efficient transport through plant vessels.