Bio 1 honors water quiz Organt

What is polarity?

• the property that
  describes how equally-bonding electrons are shared between atoms of separated charges

• The ability of an object to conduct electricity
• The temperature at which a substance changes from a solid to a liquid
• The measure of how much light a material can absorb

Describe the water molecule.

• A molecule composed of one hydrogen atom and one oxygen atom

• A molecule composed of two oxygen atoms and one hydrogen atom
• A molecule composed of two hydrogen atoms and one oxygen atom

• A molecule composed of three hydrogen atoms and one oxygen atom

What is cohesion?

• Water sticking to itself

• The degree to which different modules or classes depend on each other
• A measure of the relative complexity of a program module
• The process of breaking a program down into manageable modules or classes

What is adhesion?

• The process of forming new cells
• Water sticking to other things

• The process of breaking down food in the body
• The force that holds the same kind of molecules together

How does the heat capacity benefit aquatic organisms?

• It provides aquatic organisms with a source of food

• It helps aquatic organisms to swim faster
• The surface water freezes while the deeper water stays warmer

• It helps aquatic organisms to breathe underwater

Why does ice float on water?

• Ice is heavier than water
• Water is afraid of ice
• Ice is transparent

• The water molecules in water are more spread out, causing ice to be less dense than water

How does water move up a plant?

• Through the roots by capillary action
• By wind blowing it upwards
• By the plant pulling it up through the xylum by suing adhesive and cohesive properties,

• By evaporation from the leaves

What property of water does surface tension exhibit?

• Cohesion
• Color
• Taste
• Smell