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[[bold]] Brainstorm Questions: [[/bold]]
Throughout your students' work with the lithographs, prompt them to record their questions and speculations. Working with Earth photographs involves asking questions about (a) what is there, (b) why it is there, (c) how it got there, (d) what effects it has, and (e) what all of this suggests about an area or topic. This brainstorming is most successful if done as a class, and it is an essential step in Getting Deeper. 

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[[bold]] 4. Integrating the Lithographs Into Your Curriculum [[/bold]]
Earth photographs can spark student interest, be sources of questions and data, and even serve as assessment pieces. Here are some specific topic ideas to help you begin using the lithographs in your classroom.

[[bold]] Change Over Time [[/bold]]
The lithographs, and other EarthKAM and Shuttle photographs, can be used to study change over time by (a) comparing photographs of the same area taken at different times or (b) inferring changes (past or future) from the features seen. For example, [[italics]] Deforestation in Rondonia, Brazil [[/italics]] shows two photographs of deforestation taken 11 years apart. This is a good starting point for studying the social, economic, and environmental issues involved in deforestation. Students can clearly see the changes that have taken place and can speculate on what is causing them and how the area may look in the future.

[[italics]] Mississippi River Delta [[/italics]] shows the present river delta, the remnants of an old delta, and human settlements on the river and coast. Students can research why the delta shifts, the implications, and the effects of human construction.

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[[bold]] Weather [[/bold]]
One primary factor influencing weather is the difference in the heat-holding capacities of land and water. By studying [[italics]] Cloud Patterns, [[/italics]] students can postulate a relationship between clouds and water or land and speculate on its causes. Once they have studied the phenomenon, other cloud photographs can be used for assessment, as students hypothesize the conditions that resulted in the cloud patterns shown. Students can also download live images of clouds from weather sites on the Web.

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[[italics]] Exploring Earth From Space [[/italics]]              Educator's Guide - 3