Properties of Water

Front

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

Back

adhesion

Front

Attraction between the negative oxygen atom of one water molecule and the positive hydrogen atom of another water molecule are called _________.

Back

hydrogen bonds

Front

Why does ice float?

Back

As water freezes, it expands and its density decreases.

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

It dissolves most substances.

Front

Which of the following is LEAST likely to dissolve in water? Options: nonpolar fats and oils, polar sugar molecules, salt made of a positive sodium ion and a negative chloride ion, all of the substances will dissolve easily in water

Back

nonpolar fats and oils

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 does water move from the roots to the leaves of plants?

Back

Capillary action pulls the water molecules like a chain against gravity.

Front

Why does ice float on liquid water?

Back

It floats because it has lower density than liquid water.

Front

Why does water have a high specific heat index?

Back

It requires a great amount of energy for water to become hot.