Water Properties

Front

What is surface tension?

Back

Surface tension is the cohesive force between water molecules at the surface, causing them to behave as if they are covered by a stretched elastic membrane.

Front

True or False: Surface tension of water is the cohesive force between water molecules and other molecules.

Back

False

Front

How do large bodies of water affect nearby climates?

Back

Large bodies of water absorb heat in the summer and slowly release that heat in the winter, helping to moderate nearby climates.

Front

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

Back

The hydrogen end.

Front

What type of bond is found between water molecules?

Back

Hydrogen bonds.

Front

What property causes water to bead up on the surface of a penny?

Back

High surface tension.

Front

Define cohesion in the context of water.

Back

Cohesion is the attraction between water molecules due to hydrogen bonding, which allows water to form droplets.

Front

Define adhesion in the context of water.

Back

Adhesion is the attraction between water molecules and other substances, which allows water to climb up surfaces like a plant's stem.

Front

What is the universal solvent?

Back

Water is known as the universal solvent because it can dissolve more substances than any other liquid.

Front

Explain why ice floats on water.

Back

Ice floats on water because it is less dense than liquid water due to the hydrogen bonds that form a crystalline structure.