Properties of Water

Which of the following is LEAST likely to dissolve in water?

• 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

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

• Water is an acid.

• Water is a versatile solvent.

• Water has a high heat capacity.

•  Water acts as a buffer.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which statement explains why water molecules stick together?

• both sides are negative

• one side has a positive charge and the other side has a negative charge

• one side has a negative charge adn the other side has a neutral charge

• both sides are positive

When water molecules stick easily to other water molecules, this is called what?

• cohesion

• adhesion

• solution

• polar molecule

The ability of water molecules to stick to each other, creating surface tension is called:

• Cohesion

• Adhesion

• Insulation

• Ph

What is cohesion?

• The ability of a molecule to "stick" to itself

• The ability of a molecule to "stick" to other molecules

• Large amounts of energy are required to change the temperature of a substance

• A well-organized and efficient team

What word describes when water is attracted to other substances?

• cohesion

• adhesion

• capillary action

• surface tension

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

• the oxygen end

• the hydrogen end

• both ends are slightly positive

• neither end is positive

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

• less polar

• more polar

• less dense

• more dense

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

• adhesion

• capillary action

• surface tension

• polarity

Tags

NGSS.MS-PS2-5