Ocean Acidification Review

Which range of pH values corresponds with the changes in pH of the ocean over the past 20 million years?

• 7.0-7.6

• 8.0-8.3

• 8.7-9.2

• 2.2-6.7

Tags

NGSS.HS-ESS3-5

What pH is expected for ocean water in 2050?

• 7.9

• 7.7

• 8.0

• 8.1

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

Based on this graph, is ocean acidity at homeostasis?

• yes

• no

Tags

NGSS.HS-ESS3-5

What does pH measure?

• carbon dioxide levels

• acidity

• oxygen levels

• size

What are the shells of most sea creatures made of?

• lead

• bone

• calcium carbonate

• rocks

As the amount of CO2 in the atmosphere/oceans increases, the acidity of the ocean _____________.

• Decreases

• Increases

Tags

NGSS.HS-ESS2-6

As the amount of CO2 in the atmosphere/oceans increases, the pH of the ocean _____________.

• Decreases

• Increases

Tags

NGSS.HS-ESS2-6

What happens when Carbonate (CO3) becomes less available?

• Sea levels rise

• Animals with shells may die because they can't make shells

• The pH of the ocean increases

• Ocean temperatures increase

Tags

NGSS.HS-LS4-5

What is ocean acidification?

• A decrease in the pH of the ocean

• An increase in ocean salinity

• A rise in ocean temperature

• A reduction in ocean water volume

Tags

NGSS.HS-ESS3-1

NGSS.HS-LS2-5

Which gas is primarily responsible for ocean acidification?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Methane

Tags

NGSS.HS-ESS2-6