Adhesion, Cohesion & Surface Tension

Front

What are the attractions between water molecules called?

Back

Hydrogen bonds.

Front

What is adhesion?

Back

Different molecules attract.

Front

What causes water to curve on the surface of a penny?

Back

Surface Tension.

Front

What two elements make up water?

Back

Hydrogen and oxygen.

Front

Why does food coloring attract water?

Back

Because food coloring is polar.

Front

What is cohesion?

Back

Attraction between the same molecules.

Front

What is surface tension?

Back

The cohesive force at the surface of a liquid that makes it behave like a stretched elastic membrane.

Front

Give an example of adhesion.

Back

A water droplet sticking to a leaf.

Front

What is a polar molecule?

Back

A molecule with a partial positive charge on one side and a partial negative charge on the other.

Front

What is the role of hydrogen bonds in water?

Back

They hold water molecules together, contributing to its unique properties.