the Ocean World pt 1 (Ocean Water) test review

Which ocean layer is the least dense?

• Immediate Layer / Thermocline

• Surface layer / Mixed layer

• Deep layer

• Abyssal zone

Where does all photosynthesis occur in the ocean?

• Photic Zone

• Thermocline

• Deep layer

• Midnight zone

Tags

NGSS.MS-LS1-6

Which ocean layer has no light except for bioluminescence?

• Surface layer

• Thermocline

• Deep layer

• Mixed layer

What is the property of water that causes it to stick to other water molecules?

• Cohesion

• Adhesion

• Surface tension

• Capillary action

What is the property of water that causes it to stick to other surfaces?

• Cohesion

• Adhesion

• Surface tension

• Capillary action

What is the property of water that creates surface tension?

• Cohesion

• Adhesion

• Density

• Capillary action

What are the most common salt ions in the ocean?

• Sodium and chloride

• Potassium and magnesium

• Calcium and bicarbonate

• Sulfate and nitrate

What is the Principle of Constant Proportions?

• The ratio of major salts in seawater is constant

• The density of seawater is constant

• The temperature of seawater is constant

• The salinity of seawater is constant

What factors can affect the salinity of water?

• Evaporation and precipitation

• Wind and temperature

• Pressure and depth

• Light and bioluminescence

What chemicals can be found in seawater in the greatest abundance?

• Calcium and bicarbonate

• Sodium and chloride

• Potassium and magnesium

• Sulfate and nitrate