Properties of Water

Front

What two elements make up water?

Back

Hydrogen and oxygen

Front

What word describes when water is attracted to other substances? Options: cohesion, adhesion, capillary action, surface tension

Back

adhesion

Front

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

Back

the hydrogen end

Front

Why is water considered a universal solvent?

Back

Dissolves most substances

Front

Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature. What is the reason for this phenomenon?

Back

Water has a high heat capacity.

Front

Why can small insects walk across the surface of calm water?

Back

The insects are light enough so that they do not break the hydrogen bonds holding the water molecules together.

Front

The tightness across the surface of water that enables paper clips to float is ____________.

Back

surface tension

Front

Why do water molecules stick together?

Back

One side has a positive charge and the other side has a negative charge.

Front

When a molecule has an opposite electrical charge on each end, it is known as what?

Back

polar molecule

Front

What property of water causes these Alka-Seltzer tablets to dissolve? Options: Universal Solvent, Expansion Upon Freezing, Cohesive Behavior, High Specific Heat

Back

Universal Solvent