1. False: Most non-point pollution comes from roads and fields.
Q True or False
Most pollution in the US comes from industry and sewage plants.
The most pollution is considered point source pollution.
Overall, individual households contribute very little to pollution.
One of the biggest contributors to non-point source pollution is pet waste and rotting plants.
False: It is individuals who are unaware or careless who add the most pollution.
False: It comes from irresponsible household use and chemical and oil run off.
False: Most non-point pollution comes from roads and fields.
False: Most pollution comes from non-point pollution chemicals on the surface draining into the soil.

2. I understand the relationship between the Greenhouse Effect
Today’s Objective:
I understand the relationship
between the Greenhouse Effect
and Global Warming,

3. Average Bill Average Average Daily Annual Precipitation Use per Person
Which City has the largest daily use of water per person?
Which city has the highest average bill?
Which city has the least amount of precipitation each year?
Which city has the largest difference between daily use and annual precipitation?

4. An example...

5. Greenhouse Effect
Increasing temperature of the Earth caused by trapping greenhouse gasses
(like CO2, CH4, and N2O)

6. Greenhouse Effect

7. Global Warming:
The gradual increase in the average temperature of Earth believed to be caused by increased greenhouse
gasses to human processes.
Best described as
climate change

8. * Less heat escapes to space
* Winters & nights warm faster
* Warmer oceans

9. *More fossil fuels byproducts found in air, water, plants

12. Could the Sun be responsible
for global warming?
No, since 1970 the Sun has been cooling slightly but the Earth has gotten

13. Could the Earth’s orbit and tilt be responsible for global warming?
No, Although the tilt changes over time it takes 10’s of thousands of years and our temperature change is faster than that.

14. Could volcanic eruptions account for
global warming?
No, even though they add gases, dust, ash, & aerosols they do not reach high enough into the atmosphere to affect it. People add 100 times

15. You Take the Quiz!

16. Earth Science: Fun and helpful links
NASA Quizzes
The Ocean
Frozen Poles
Precipitation and the water cycle
Warm Up
Sea Change
Sea Salt
Freeze Frames
Soil Moisture