Ocean Acidification

Which organism might benefit from the increase of carbon dioxide in the world’s oceans?

• crabs and lobster

• Fishes

• Clams and oysters

• Sea grasses

Tags

NGSS.HS-LS2-5

CO2 + H20 -->

• H2CO3

• CO3

• CO2

• H3O+

What does the blue line show?

• CO2 in the water

• Air temperature

• Carbon emissions

• pH of the water

What happened to the pCO2 between 1989 and 2014?

• it increased by 50

• it decreased by 50

• it increased by 100

• it decreased by 150

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS3-5

What happened to the pH between 1989 and 2014?

• it increased by 8

• it decreased by .5

• it increased by 30

• it decreased by 30

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS2-6

As the pH decreases, what happens to the pCO2?

• it increases

• it decreased

• it stays consistent

• it disappears

Tags

NGSS.HS-PS1-5

As the pH decreases, what happens to the ocean?

• It becomes more acidic.

• It becomes more basic.

Tags

NGSS.HS-ESS2-6

What was the pH around 1989?

• about 8.1

• about 7.5

• about 8.5

• about 8.9

Ocean acidification is

• the ongoing decrease in the pH value of the Earth's oceans

• a change in the properties of ocean water that can be harmful for plants and animals

• All of the above

Tags

NGSS.HS-LS2-5

NGSS.HS-LS2-6

The increasing of carbonic acid (H2C03) is detrimental to

• shells

• oysters

• corals

• all of the above