Adhesion, Cohesion & Surface Tension

Front

What two elements make up water?

Back

Hydrogen and oxygen.

Front

Water's ability to stick to glass is called?

Back

Adhesion.

Front

What allows a paperclip to remain floating on water when gently placed on top?

Back

Surface tension.

Front

Which end of the water molecule has a slightly positive charge?

Back

The hydrogen end.

Front

Water droplets take a spherical shape because of ____________

Back

Cohesion.

Front

Define adhesion in the context of water.

Back

Adhesion is the attraction between water molecules and other substances, allowing water to stick to surfaces like glass.

Front

Define cohesion in the context of water.

Back

Cohesion is the attraction between water molecules themselves, which causes them to stick together.

Front

What is surface tension?

Back

Surface tension is the property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules.

Front

What is capillary action?

Back

Capillary action is the ability of water to flow in narrow spaces without the assistance of external forces, often seen in plants.

Front

How does temperature affect the cohesion of water molecules?

Back

As temperature increases, the kinetic energy of water molecules increases, which can reduce cohesion.