Ocean Water Quiz

What percentage of pure water is found in ocean water?

• 96.5%

• 3.5%

• 97.2%

• 55%

What is the percentage of solid substances (solute) in ocean water?

• 96.5%

• 3.5%

• 97.2%

• 55%

What is the term for the total amount of solid substances in water?

• Solvent

• Solute

• Salinity

• Halocline

Tags

NGSS.MS-PS1-2

Which of the following is NOT a dissolved inorganic matter in the ocean?

• Chlorine

• Sodium

• Carbon

• Sulfur

What is the main component of dissolved organic matter in the ocean?

• COHN (carbon, oxygen, hydrogen, nitrogen)

• Sodium

• Magnesium

• Sulfur

What are the three unique properties of water mentioned?

• Dissolving power, surface tension, colligative properties

• Density, viscosity, salinity

• Temperature, pressure, volume

• Acidity, alkalinity, neutrality

What happens to oxygen concentrations as depth increases in the ocean?

• Increase

• Decrease

• Remain constant

• Fluctuate

What is the main reason for the decrease in ocean pH with depth?

• Increase in temperature

• Decrease in plants

• Increase in salinity

• Decrease in pressure

What type of molecule is water described as in the document?

• Non-polar molecule

• Ionic molecule

• Polar molecule

• Metallic molecule

What is the process called when water molecules are attracted to each other?

• Adhesion

• Cohesion

• Diffusion

• Osmosis