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What is happening to limestone and marble buildings around the world? Show the effects of acid rain in a viewfinder.
What does rain do? It waters the Earth, but also drops acid. When there is so much pollution (sulphur dioxide and nitrogen oxide) in the atmosphere that the environment can’t neutralize it, the acid leaches into rain, snow, and even fog. Have students research the major causes of acid rain and how they can be reduced. Find out what acid rain does to forests, bodies of water, and limestone and marble buildings (such as the U.S. capitol’s columns and other world landmarks).
Students construct a viewfinder. Here is one way to show scenes "before" and "after" acid rain. Cut out a box in the center of a recycled foam tray with Crayola® Scissors. Cut thin cardboard the same size and shape of the tray. Cover ONLY the sides (not the middle) with Crayola School Glue. Glue to the tray. Posterboard will slide across the hole. Air-dry the viewfinder.
Show effects of acid rain. With Crayola Erasable Colored Pencils, students trace around the boxes twice on posterboard. Cut posterboard to size so it will slide through the opening. Make as many boxes as you need. Inside the first box, illustrate a building, forest, or other setting with Erasable Colored Pencils. In the second box, draw the same setting during a rainstorm. Use the eraser to show acid rain damage. Decorate the front of the viewfinder, too.
Find solutions! Give a slide show on the effects of acid rain to other students. Together, brainstorm ideas of ways to help eliminate acid rain. What can you do?
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