Ph and Ocean Acidity

REVIEW: Put warm water, cold water, room temp water, and salt water in order form MOST DENSE to least DENSE

• (MOST) warm - cold - room temp - salt (LEAST)

• (MOST) cold - salt - room temp - warm (LEAST)

• (MOST) salt - warm - cold- room temp (LEAST)

• (MOST) salt - cold - room temp - hot (LEAST)

Tags

NGSS.MS-PS3-4

REVIEW: What is the thermocline?

• A vertical space in water where temperature decreases drastically

• A horizontal space in water where temperature decreases drastically

• A vertical space in water where salinity decreases drastically

• A vertical space in water where salinity increases drastically

What does pH measure (hint: there are two correct answers)?

• The acidity of a solution

• The amount of water in a solution

• How reactive a solution is

• How many extra hydrogen ions there are in a solution

On the pH scale, 0-6 is ___________, 7 is ____________, and 8-10 is _______________

• Acid; Base; Non-reactive

• Base; Neutral; Acid

• Acid; Neutral; Base

• Acid; Base; Acid

As the amount of CO2 in the atmosphere/oceans increases, the acidity of the ocean _____________.

• Decreases

• Increases

Tags

NGSS.MS-PS1-2

As the amount of CO2 in the atmosphere/oceans increases, the pH of the ocean _____________.

• Decreases

• Increases

Tags

NGSS.MS-PS1-2

What molecule in the ocean is needed to make sea shells and can be negatively affected by carbonic acid (acid made from water and co2)?

• Carbonate (CO3)

• Oxygen (O2)

• Hydrogen (H)

• Carbon dioxide (CO2)

Tags

NGSS.MS-PS1-5

What happens when Carbonate (CO3) becomes less available?

• Sea levels rise

• Animals with shells may die because they can't make shells

• The pH of the ocean increases

• Ocean temperatures increase

Tags

NGSS.MS-LS2-4