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?

Back

adhesion

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

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 without breaking it?

Back

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

Front

The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than its liquid form.

Back

less dense

Front

The tightness across the surface of water that enables paper clips to float is ____________. Options: adhesion, capillary action, surface tension, polarity

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.