River - Wikipedia
A river is a natural freshwater stream that flows on land or inside caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before …
River | Definition, Examples, Importance, & Facts | Britannica
2024年11月27日 · river, (ultimately from Latin ripa, “bank”), any natural stream of water that flows in a channel with defined banks . Modern usage includes rivers that are multichanneled, …
Understanding Rivers - Education
3 天之前 · A river is a large, natural stream of flowing water. Rivers are found on every continent and on nearly every kind of land. Some flow all year round. Others flow seasonally or during …
River Definition & Meaning - Merriam-Webster
The meaning of RIVER is a natural stream of water of usually considerable volume. How to use river in a sentence.
Where Does a River Start and End - MyWaterEarth&Sky
All rivers have a starting point where H2O begins its flow, this source is called a headwater that comes from rainfall, springs, or snowmelt in mountains, & bubbles up from groundwater. The …
river - Kids | Britannica Kids | Homework Help
A river is a large natural stream of water that flows over land. Even though rivers hold only a tiny fraction of Earth’s total water, they have always been essential to human civilization. Rivers …
River - Education | National Geographic Society
2023年10月19日 · A river is a ribbon-like body of water that flows downhill from the force of gravity. A river can be wide and deep, or shallow enough for a person to wade across. A …
Rivers, Streams, and Creeks | U.S. Geological Survey - USGS.gov
2018年6月6日 · What is a river? A river forms from water moving from a higher elevation to a lower elevation, all due to gravity. When rain falls on the land, it either seeps into the ground or …
Explore rivers - BBC Bitesize
What is a river? A river is a moving body of water that drains the land. It flows from its source on high ground, across land, and then into another body of water. This could be a lake, the sea,...
What is a River? What You Must Know - A-Z Animals
2022年4月27日 · A river is a naturally occurring moving body of water with boundaries that drains into another body of water, typically other rivers or oceans. For the most part, rivers are …