Oceans and Ocean floor

What do you call an underwater mountain?

• trench
• abyssal plain
• seamount
• volcanic island

sound waves used to make a map of the ocean floor

• ocean floor topography

• sonar

• seamount

• continental slope

The largest ocean in the world is the

• Atlantic

• Pacific

• Indian

• Arctic

• Southern

What covers 70% of the earth's surface

• Ocean

• Rivers

• Lakes

• Ponds

Amount of salt found in water

• Photic Zone

• Gulf Stream

• Photosynthesis

• Salinity

The amount of mass per unit of volume

• Density

• Metric Units

• Mass

• Volume

the process in which plants use light energy to make food

• Pistil

• Pollen

• Anther

• Photosynthesis

TRUE or FALSE
As depth increases temperature also increases.

• TRUE
• FALSE

The most abundant salt in seawater is

• calcium chloride
• magnesium chloride
• sodium chloride
• sodium chloride

Which term refers to a rapid change of temperature with increasing depth of the ocean?

• pycnocline
• thermocline
• abyssalocline
• isothermal cline