Properties of WAter

Match the following

• specific heat capacity

• Causes water to clump in drops rather than to spread into a thick layer

• melting point

• temperature at which water changes phase from a solid to a liquid

• freezing point

• amount of heat one gram of a substance must absorb or lose to change its temperature

• adhesion

• temperature at which water changes phase from liquid to a solid

• cohesion

• Causes water to stick to other polar substances.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What property of water does this statement describe? Water's polarity allows it to dissolve other polar substances making it the liquid that dissolves the most substances.

• melting point

• solubility

• density

• surface tension

What property of water does this statement describe? Molecules at the surface of water "stick together" to form a type of "skin" on the water.

• hydrogen bonding

• freezing point

• surface tension

• states of matter

Water covers ______ of the earth's surface.

• 50%

• 60%

• 70%

• 80%

Tags

NGSS.MS-ESS2-4

How do water molecules bond to one another?

• hydrogen to hydrogen

• oxygen to oxygen

• hydrogen to oxygen

• water molecules cannot bond to each other.

Water is know as the "universal _______" because it can dissolve more substances than any other liquid.

• solute

• solvent

• solver

• solid

Water that is found in vapor is in a _______ state.

• solid

• liquid

• gasesous

• all the above are correct

Tags

NGSS.MS-PS1-4

What is the freezing point of water under normal conditions?

• -5 degrees Celsius

• 0 degrees Celsius

• 5 degrees Celsius

• 10 degrees Celsius

Tags

NGSS.MS-PS1-4

Which of the following statement about specific heat capacity is true?

• Land is composed of rocks and minerals which have a higher specific heat capacity than water.

• Water has the highest heat capacity of all liquids.

• Specific heat capacity does not have an effect on the climate.

Tags

NGSS.HS-ESS2-5

NGSS.HS-PS3-4

You are walking on the beach barefoot. Explain why the sand is so much hotter than the ocean water.

Tags

NGSS.MS-PS1-4