30 printable pages to engage your students in thinking and writing on Earth Day. Each page has a POSTAGE STAMP featuring the Earth and a QUESTION like: How do engines harm the Earth? How can we make the Earth safe for animals? How do we pollute the air? How can a child protect the Earth? How is Earth threatened by humans? And more. Use with the whole class, at a Writing Center, or as homework. Take a look at the Preview to see 13 sample pages.