Ph and Ocean Acidity

Ocean acidification begins with 

• pollution from ships
• carbon dioxide released from combustion
• dumping of waste from cities into the ocean

Tags

NGSS.HS-ESS2-6

Carbon dioxide and seawater combine to form

• calcium carbonate
• carbon monoxide
• carbonic acid 

Tags

NGSS.HS-PS1-2

Marine organisms make their shells from calcium and

• chloride
• carbonate
• seawater

An example of a marine organism that needs calcium carbonate 

• a crab
• a shark
• an octopus

Very slight increases in the acidity of seawater __________  marine organisms that make shells.

• doesn't bother
• has no effect on 
• is unhealthy and stresses

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

Carbon dioxide levels in the air have changed throughout earth's history.  The difference today is how ______ the change is happening.

• rapidly 
• slowly 
• wide spread

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

Which molecule makes water acidic?

• Carbonate Ions

• Carbon Dioxide

What happens to 1/4 of the greenhouse gases in the atmosphere?

• It is released into space.

• It gets absorbed by the ocean.

When carbon dioxide ions react with water, what molecules do they release?

• Hydrogen Ions

• Carbonate Ions

According to this slide

• CO₂ is causing marine life to die by "poisoning' the water

• CO₂ is destroying sea shells

• CO₂ is formed from the combustion of Octane

Tags

NGSS.HS-LS2-5

NGSS.HS-LS2-6