Extra Credit - 6th Marking Period

Interested in receiving extra credit? Read one article listed below. Write a summary of the article and explain how it is related to the Living Environment curriculum. Be sure to include the name, date, and publication of the article in your assignment. You can receive up to 5 points for your summary. Limit 1article per student. Due Wednesday, 6/23/10, but feel free to hand in your assignment at any time.


New Estimates Double the Rate of Oil Flowing Into the Gulf

Plumes of Oil Below the Surface Raise New Concerns

Voracious Invader May Be Nearing Lake Michigan

An Underwater Fight Is Waged Against San Francisco Bay

Japan Defies Australia on Whaling

Saturn moon's methane mystifies experts

Click here to read an article about the abundance of methane gas on the surface of Titan. Was this gas produced by living organisms?

Thermal Pollution

Click here to view an animation representing the thermal pollution of a river by a power station. Cold water is pumped from the river and hot water pumped back into the river.

Ozone Layer

Click here to learn more about the ozone layer. What are the causes of ozone depletion? What can we do to help?

Biomagnification

Click here to view a short animation that illustrates how toxic chemicals build up in an ecosystem.

Here is a second animation that illustrates how DDT accumulates in the food chain of an aquatic ecosystem.

Acid Rain Animation

Click here to view an interactive animation showing how power stations contribute to the formation of acid rain. Click the highlighted areas to reveal how acid rain pollutes the environment.

Click here to view a second animation about acid rain by the EPA.

Population Clock

Click here to view the current world population.

What is the message in the cartoon displayed on the right?