The students will put pictures into three boxes. The boxes are labled causes, effects, and not sure. The students will the pictures that cause pollution in the causes box. They will put the pictures that are effected by pollution in the effects box. If they are not sure or if they think the picture is good for the environment, they will put it in the not sure box. After the students finish this they will write one or two sentences why they put each pictur in each box.