Ocean Acidification

What is referred to as the 'evil twin' of global warming?

• Overfishing

• Coral bleaching

• Ocean acidification

• Ocean pollution

Tags

NGSS.HS-ESS2-6

What happens when carbon dioxide is added to water?

• It has no effect

• It decreases the oxygen level

• It increases the water's alkalinity

• It creates carbonic acid

Tags

NGSS.HS-PS1-2

What is the pH of carbonated water created in the demonstration?

• 5

• 8.25

• 3.6

• 7

Tags

NGSS.MS-PS1-2

What does a lower pH level indicate?

• Higher oxygen levels

• Higher alkalinity

• Higher acidity

• Lower temperature

Tags

NGSS.HS-PS1-2

How does ocean acidification affect marine organisms?

• Improves their immune response

• Increases their metabolism

• Decreases their metabolism

• Makes them grow larger

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

What is the significance of the change from pH 8.25 to 8.1 in ocean water?

• 50% increase in alkalinity

• No significant change

• 30% increase in acidity

• 30% decrease in acidity

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS2-5

What compound is crucial for the formation of shells and coral reefs?

• Carbonate

• Bicarbonate

• Carbonic acid

• Calcium

Tags

NGSS.MS-PS1-1

What is predicted to happen by 2100 due to ocean acidification?

• pH will increase to 9

• pH will remain the same

• pH could drop to 7.8

• All coral reefs will be restored

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

What is a direct consequence of increased bicarbonate levels in the ocean?

• Increased water temperature

• More vibrant coral colors

• Decreased shell formation

• Improved shell formation

How can the effects of global warming and ocean acidification be mitigated?

• By introducing more fish to the ocean

• By decreasing carbon dioxide emissions

• By increasing ocean temperatures

• By increasing carbon dioxide emissions

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-4

NGSS.HS-ESS3-5