Large Streams of Moving Water — Passage
Large streams of moving water, such as rivers and creeks, are vital components of the Earth’s water cycle. These waterways carry freshwater from higher elevations, like mountains, to lower elevations, such as lakes, oceans, and seas.
Rivers are formed by the accumulation of smaller streams and tributaries. They are fed by precipitation, melting snow, and groundwater. As rivers flow, they shape the landscape by eroding rocks, carving valleys, and depositing sediment.
Large rivers, like the Amazon and the Mississippi, play a crucial role in ecosystems and human societies. They provide habitats for aquatic life, supply freshwater for drinking and irrigation, and support transportation and trade. However, rivers can also cause flooding during heavy rainfall or snowmelt, which can damage property and disrupt communities.
Rivers are also important for biodiversity. They support a wide range of plants and animals, from fish and amphibians to birds and mammals. Protecting rivers from pollution and overuse is essential for maintaining healthy ecosystems.
Fun fact: The Amazon River is the largest river in the world by volume, discharging about 209,000 cubic meters of water per second into the Atlantic Ocean!
What are large streams of moving water?
GlaciersRivers and creeksLakesOceansHow are rivers formed?
By the accumulation of smaller streams and tributariesBy melting ice capsBy evaporationBy groundwaterWhat feeds rivers?
Precipitation, melting snow, and groundwaterOcean waterSaltwaterGlaciers onlyWhat is one role of rivers in human societies?
They increase air pressureThey supply freshwater for drinking and irrigationThey stop rainfallThey reduce biodiversityWhat is one problem caused by rivers?
DroughtFloodingReduced water flowIncreased groundwaterWhat is the fun fact mentioned in the passage?
The Amazon River is the largest by volumeRivers do not support biodiversityRivers are formed by evaporationThe Mississippi River is the longestWhat is one way rivers shape the landscape?
By increasing air temperatureBy eroding rocks and carving valleysBy stopping water flowBy reducing rainfallWhy is protecting rivers important?
To increase pollutionTo maintain healthy ecosystemsTo stop water flowTo reduce biodiversityCommon core standards covered
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