2. The river starts to flow through a broad, level plain with heavy debris brought down from upper and middle courses. Describe the work of a river. 1. Class 1 (Easy) :… Moving mass of ice. ... Work of a River. Embankment on a river that keeps it in its channel. Water cycle is the process by which water continually changes its form and circulates between oceans, atmosphere and land. This classification system provides a useful guide to the technical difficulty of a river, but there are so many other variables that can have a huge impact on the difficulty or danger of a river. Many rivers are formed when rain flows down from hills but sometimes the source is a lake, sometimes it is a marsh or a bog and sometimes it is a spring where water comes up from the ground. The river here is smaller and usually has a rapid, tumbling flow that cuts a narrow channel through rocky hills or mountains. Sudden descent of water in the bed of a river. 9. The beginning of a river, when it flows quickly with lots of energy, is called a young river. When the river tumbles at steep angle over very hard rocks or down a steep valley side, it forms a waterfall. the river has a greater discharge than The source of a river is the furthest point on the river from its mouth. There is more water in the stream channel, i.e. The international scale of river difficulty is an American system used to rate the difficulty of navigating a stretch of river, or a single (sometimes whitewater) rapid. Young River - the upper course. CBSE Class 7 Geography Chapter 3 – Our Changing Earth helps students understand about earth movements, how it is related to force, how an earthquake happens, explains terms like volcano, focus, epicentre, etc. 14. 2. Erosion is present though deposition of sediments also occurs. * Identifying different river features * Locating river features in the lower, middle or upper course of a river, * Seeing where major rivers are located * Knowing how waterfalls are formed through the use of labelled diagrams, * Building a pop up river basin (template included), * The water cycle * River pollution * and a topic self-assessment Forest River, Inc., Interactive Owner's Manuals Ranging from “How-To” videos, pictures and illustrations of various components, systems and features to fully searchable content and downloadable PDFs for individual component owner’s manuals, answers are always just a click away. When the river enters the plain it twists, turns and forms large bends. Solid form of water. across, anywhere, around, backward, over. Natural cavity on weak rocks formed by the action of waves. 12. We thought it was fun to swim _____ the river. 1. Whitewater is rated on a scale of increasing difficulty from Class 1 to Class 6. 7. These bends are known as meanders. Adverb Exercises Practice Examples for Class 7 CBSE. 9. River Severn | River Thames. 7. 4. Meanders may be present though they will not be as "curvy" as those found in Old Age Rivers. Vertical erosion has almost stopped and lateral erosion still goes on. Choose the most suitable adverb from the following to fill in each blank. Download free printable worksheets for CBSE Class 7 with important topic wise questions, students must practice the NCERT Class 7 worksheets, question banks, workbooks and exercises with solutions which will help them in revision of important concepts of Class 7. A floodplain exists with grassy areas beside the river along which a person can walk. Answer: Work of a River: Running water in the river erodes the landscape. The scale was created by the American Whitewater Association to evaluate rivers throughout the world, hence international in the title. 3. Loop like the bend of a river. Dry area where sand dunes are found. NCERT Book Solutions Class 7 Geography Chapter 5. 11. Our Earth’s surface is covered with 71 percent of water. Nearly all rivers have an upper, middle, and lower course. 8. 13. Large body of seawater. In the park, you can go, _____ and find a place to sit. 15. The work of the river is mainly deposition, building up its bed and forming an extensive flood plain.
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