Print Wet Designers Reading Comprehension with Third Grade Work
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Print Wet Designers Reading Comprehension
||edHelper's suggested reading level:
||grades 3 to 4
||Flesch-Kincaid grade level:
||landform, rainstorm, steeper, incline, landforms, rainwater, absorb, material, landscape, erosion, natural, banks, pounding, boulders, longer, beautiful
||United States, Grand Canyon
By Trista L. Pollard
1 The Earth's beautiful landscape has been brought to you by water! Flowing or moving water is a major reason the Earth's surface changes over time. Let's look at how water changes the Earth's surface.
2 Many earth materials, like soil and rocks, absorb water. After a rainstorm, some of the water is absorbed into the ground. The rest of the water that is not absorbed flows across the ground. You see this water flowing in streams, rivers, and oceans. When water flows across the Earth's surface, it erodes, or wears away, the land and rocks. Scientists call this erosion. As the water moves, it washes away the soil, the rocks, and other small earth materials. Over time, this changes the way the land looks.
3 In the western part of the United States, you can see some very famous landforms that have been created this way. A landform is any natural structure that is found in nature like rivers, trees, and islands. The Grand Canyon is America's most famous landform. Scientists have determined that the Grand Canyon began forming about 6 million years ago. They also say that it hasn't gotten much deeper over the past 1.2 million years. At the Grand Canyon, erosion has slowed. In other places, though, erosion is occurring much more quickly. Water continues to wash away rocks and soil from the banks or sides of rivers and hills each day. The soil and rocks are then washed into streams and rivers. Eventually, these earth materials are carried into the ocean. The ocean's waves also pound the cliffs and boulders (huge rocks) on the coast into sand.
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