Unit 3 Test Review - Carbon and the Carbon Cycle

Front

As the ocean becomes more acidic, the pH of the water

Back

decreases

Front

CaCO₃ _____ at a lower pH (image is results of an experiment placing the calcium carbonate shells of pterapods in seawater with a pH of 7.8, the projected ocean pH for the year 2100 under current rates of acidification)

Back

dissolves

Front

A pH of 3 is how much more acidic than a pH of 6?

Back

1000

Front

A pH of 13 is how much more basic than a pH of 5?

Back

100,000,000

Front

A(n) ______ is a substance with a pH less than 7.

Back

Acid

Front

The pH scale is a range from: 1-7, 0-14, 1-5, 1-20

Back

0-14

Front

A(n) _______ is a substance with a pH greater than 7.

Back

Base

Front

What do some marine creatures do with carbonate ions?

Back

combine it with calcium ions to build shells and exoskeletons

Front

Which radiation source, wavelength, and type is correctly matched? Options: Sun, long-wave, visible; Earth, short-wave, visible; Sun, short-wave, infrared; Earth, long-wave, infrared

Back

Earth, long-wave, infrared

Front

Process by which a substance moves from an area of higher concentration to lower concentration. This process drives the (current) average movement of CO2 from the atmosphere into the ocean...

Back

Diffusion