Oceans and waves review

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

• depth
• latitude
• temperature
• salt content

Seawater is typically denser than freshwater due to seawater’s —

• Greater depth
• Lower freezing point
• Smaller mass
• Higher salinity

The main cause of the salinity of the ocean is

• Runoff from land

• Metamorphism

• Hydrothermal vents

• CO₂ emissions

What term is the measure of dissolved salts in water?

• Thermocline
• Salinity
• Saltiness
• Tides

The higher the salt content in the ocean the ________ dense the water will be.

• less
• more
• nothing happens

If I have freshwater that is less dense, what will it do in comparison to salt water that is more dense?

• The more dense water will float and the less dense water will sink.
• The more dense water will sink and the less dense water will float
• Nothing they will mix evenly.

Which ocean is the largest?

• Southern
• Indian
• Atlantic
• Pacific

Which ocean surrounds Antarctica? 

• Pacific
• Southern
• Arctic
• Indian

Where is MOST of the Earth's water located? 

• oceans
• rivers
• lakes
• glaciers

Approximately, what percent of the Earth's surface is covered with water? 

• 3%
• 30%
• 70%
• 97%