7/24/2019 Acid Rain (1)

1/7

Acid RainAcid Rain

7/24/2019 Acid Rain (1)

2/7

Educational ObjectivesEducational Objectives

To understand how the pH level of an

environment affects living organisms.

To understand the relationshipbetween the pH level and CO2

concentration of distilled water.

7/24/2019 Acid Rain (1)

3/7

What is Acid RainWhat is Acid Rain

Formed when gases, such as CO2andSO2react with the water in the

atmoshere

!he " o# Rain dros$As low as " o# 2

$ %er& harm#ul to our

living environment

7/24/2019 Acid Rain (1)

4/7

E'amlesE'amles

When CO2reacts with water, carbonic acid is

#ormed(

CO2)g*+"2O)l*"2CO-)a.*

When SO2reacts with water, sul#urous acid is

#ormed(

SO2)g*+"2O)l*"2SO-)a.*

When /O2reacts with water, nitric acid is#ormed(

2/O2)g*+"2O)l*"/O2)a.*+"/O-)a.*

7/24/2019 Acid Rain (1)

5/7

"ow does Acid Rain e##ect us"ow does Acid Rain e##ect us

0t 1ills microorganisms

0t oisons lants

0t damages metals andlimestone

0t 1ills #ish

7/24/2019 Acid Rain (1)

6/7

roceduresrocedures

Record the " o# distilled water b& using

the " robe #or 3 minute

Rinse the robe, and ut it bac1 into thebu##er solution

Record the " o# the same water as &ou

blow into the water #or 3 minute

7/24/2019 Acid Rain (1)

7/7

4uestions4uestions

Wh& do we blow 5air6 into the water7 What

are we reall& mi'ing the water with7

What changes in " do &ou e'ect7 0s this a good simulation to the Acid Rain

#ormation7 E'lain(