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W15D5 Test Ocean Acidification

Authored by Mr. Bedingfield

Chemistry

9th - 12th Grade

NGSS covered

W15D5 Test Ocean Acidification
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18 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

According to the National Oceanographic and Atmospheric Administration (NOAA), what is the average pH of the ocean?

6.1

7.0

8.1

9.2

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS2-5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

According to the National Oceanographic and Atmospheric Administration (NOAA), the average pH of the ocean is 8.1, which means the ocean is...

acidic

basic

neutral

Tags

NGSS.HS-ESS2-5

3.

DRAG AND DROP QUESTION

1 min • 1 pt

Media Image

Look at the graph. The ocean is ​ getting ​ (a)   acidic as ​CO2 is going ​ (b)   .

more
up
less
down

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

4.

DRAG AND DROP QUESTION

1 min • 1 pt

Media Image

The graph shows that the pH is going down, which means that there are more and more ​ (a)   ions in solution.

H+
OH-

5.

DRAG AND DROP QUESTION

1 min • 1 pt

Media Image

Shellfish shells are made of the same thing that limestone and eggshells are made of: ​ (a)  

Calcium Carbonate (CaC03)
Hydrogen ions (H+)
Hydroxide Ions OH-
Carbonate Ions (CO32-)

Tags

NGSS.HS-ESS2-6

NGSS.HS-PS1-2

6.

DRAG AND DROP QUESTION

1 min • 1 pt

Media Image

Shell-building sea creatures like crabs, oysters, and muscles, build their shells by taking ​ (a)   out of the sea water and combining it with ​ (b)   to make ​ (c)   .

carbonate ions (CO32-)
calcium ions (Ca+2)
calcium carbonate (CaCO3)

Tags

NGSS.HS-PS1-2

7.

DRAG AND DROP QUESTION

1 min • 1 pt

Media Image

The carbonate ion (CO32-) has ​ (a)   carbon, ​ (b)   oxygens, and a - ​ (c)   charge.

1
3
2

Tags

NGSS.HS-ESS2-6

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