Salinity and Heat Capacity

Multiple Choice

Why is water the most important substance on earth?

• moderates Earth's climate

• insulates the Earth

• synthesis all molecules

Multiple Choice

Cold water is...

• More dense than warm water

• Less dense than warm water

Multiple Choice

Heat breaks the hydrogen bonds

• True

• False

Multiple Choice

Which letter indicates where water is in both the solid and liquid phase at the same time?

• A

• B

• C

• D

• E

Multiple Choice

Which property explains why ice floats?

• adhesion

• density

• cohesion

• heat capacity

Multiple Choice

A high specific heat means...

• It heats up quickly with energy added
• It requires more energy to change temperature

Multiple Choice

The amount of energy required to raise the temperature 1ºC for every kilogram is called____?

• Thermal Energy
• Specific Heat
• Temperature
• Kinetic Energy

Multiple Choice

Water has a low rate of vaporization which is why there is a lot of ocean water

• True

• False

Multiple Choice

Water is a universal solvent

• True

• False

Multiple Choice

Ocean salinity is approx....

• .35%

• 35%

• 3.5%

Multiple Choice

What would cause a body of water to have a higher salinity?

• decreasing condensation

• increasing transpiration

• increasing evaporation

• decreasing evaporation

Multiple Choice

As we go deeper into the ocean, salinity ___________. 

• Doubles
• Decreases 
• Increases
• Remains the same 

Multiple Choice

______ causes deep ocean currents

• The Coriolis Effect

• gravity

• wind

• density differences

Multiple Choice

What process brings the deep cold ocean currents up to the surface?

• Conduction
• Global Wind Patterns
• Convection Currents
• Temperature and salinity

Multiple Choice

In addition to salinity, what factor affects the density of seawater?

• depth
• latitude
• temperature
• salt content

Multiple Choice

Why are surface currents at the surface of the ocean?

• colder temperature
• colder temperature & more salinty
• warmer temperature & less salinty
• less salinty