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Earth/Mars Comparison Poster

Mars Exploration features four learning modules for students in grades 4-12. Topics include investigating Mars and its landforms, how sediment and drainage patterns provide clues to Mars' geologic history, how Mars' 3000-mile valley may have been formed, and whether water could exist on Mars today. (National Aeronautics and Space Administration)

Interesting fact: Mars has many canyons and valleys, most of which were caused by the movement of the planet's crust. Since the Grand Canyon of Mars is a rift valley and was not formed by water, students can study the processes that alter a planet's surface in the absence of flowing surface water such as uplift, slumping, sapping, and subsidence. Read more.

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