Composition of Ocean Water

What percentage of saltwater is made of salts?

• 3.5%

• 96.5%

• 70%

• 2%

Select 3 thing that add the the Salinity of Ocean Water

• Hydrothermal Vents

• Volcano Eruption

• Fish

• Acid Rain

• the breakdown of microorganism

What is salinity?

• the amount of matter in a specific volume

• the degree of how hot or cold something is

• the landforms of the continent or the oceans

• how much salt is dissolved in a liquid

As salinity  increases

• Density increases

• Density decreases

What would cause the surface of the ocean to have a higher salinity?

• the flowing of a river into the ocean

• low rates of evaporation and high rates of

  precipitation

• the melting of sea ice

• high rates of evaporation and low rates of

  precipitation

If we measure how salty the ocean is, we are measuring its...

• Saturation

• Salinity

• Permeability

• Density

What is the primary component of ocean water?

• Salt

• Water

• Minerals

• Organic matter

Which of the following processes increases the salinity of ocean water?

• Evaporation

• Precipitation

• River inflow

• Ice melting

What is the average salinity of ocean water?

• 1%

• 3.5%

• 5%

• 7%

Which gas is most abundant in ocean water?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen