1. Activity: Radish plants (15)
#4.6 Aim:
What is acid rain?
Agenda
QOD (10)
Lesson: acid rain (15)
Activity: Radish plants (15)
Summary
(5)
HW #36
Where does it come from?
NOx and SOx are emitted into the atmosphere and react with water to form acids (substances with a pH lower than 7).
How do NOx and SOx get into the atmosphere?

2. Electricity Production
Industry
Transportation
Other Sources

3. Activity: Radish plants (15)
The pH scale
#4.6 Aim:
What is acid rain?
Agenda
QOD (10)
Lesson: acid rain (15)
Activity: Radish plants (15)
Summary
(5)
HW #36
Acid Rain has a pH < 5.6
Average pH of Chicago’s rain =
Low = more acidic
7 = neutral
High = less acidic

4. How does acid precipitation affect the environment?

5. How does acid rain affect soils and plants?
Causes soil to loose nutrients

6. How does acid rain affect soils and plants?
Releases toxic chemicals from the soil, which are absorbed by plants
Causes root damage
Clogs the openings on the surface of plants

7. How does acid rain affect aquatic (water) ecosystems?
Changes the pH of rivers, lakes, and streams
Kills aquatic life (like fish and frogs)

8. How does acid rain affect humans?
Releases toxic metals from soil, which can get into crops and poison humans when they eat them
Can increase respiratory problems for children
Eats away at building materials – some of the world’s most important monuments are being dissolved by acid precipitation.

9. Why is acid rain so hard to control?
#4.6 Aim:
What is acid rain?
Agenda
QOD (10)
Lesson: acid rain (15)
Activity: Radish plants (15)
Summary
(5)
HW #36
Why is acid rain so hard to control?
SOx and Nox (the acid rain pollutants) can hang for weeks and travel for thousands of miles before falling as precipitation.

10. Activity: Radish plants (15)
Inference!!!
#4.6 Aim:
What is acid rain?
Agenda
QOD (10)
Lesson: acid rain (15)
Activity: Radish plants (15)
Summary
(5)
HW #36