WorksheetspH and Ocean Acidification
Total questions: 15
Worksheet time: 5mins
A(n) ______ is a substance with a pH less than 7.
Pure Water
A base is a substance...
That releases OH- ions when dissolved in water
That releases H+ ions when dissolved in water
Does not release any ions when dissolved in water
None of the above
Water has a neutral because...
it has more H+ ions than OH-
it has more OH- ions than H+
it does not produce any ions
it has an equal amount of H+ and OH- in solution
Carbon dioxide and seawater combine to form...
An example of a marine organism that needs calcium carbonate is...
a jellyfish
What happens to 1/4 of the greenhouse gases in the atmosphere?
It is released into space.
It gets absorbed by the ocean.
This image demonstrates that...
There is a direct correlation with the atmospheric CO2 and the CO2 in seawater
That pH of the ocean increases as the atmospheric CO2 increases
That there is no correlation between pH of the ocean and atmospheric CO2
As the ocean becomes more acidic, the pH of the water...
What do some marine creatures do with the carbonate ion?
use it as a food source
use it as a defense mechanism
use it to build shells and exoskeletons
use it to cool body temperatures
In a more acidic ocean, the shells of organisms do not grow as easily.
True
False
Which is the product of this reaction: CO2 + H20 -->
H2CO3
CO3
CO2
H3O+
