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As the water flow makes the rocks tumble against each other the high spots get chiped off. The tumbling and banging together with small grains of sand will smooth any rock over a long period of time. There must be enough water flow to keep the rocks moving for the process to work.

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โˆ™ 2006-08-26 11:48:23
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How often do meteorites hit Earth

The adjustments of materials that follow a major earthquake often generate smaller earthquakes called

Most earthquakes are produced by the rapid release of which kind of energy stored in rock subjected to great forces

What does an earthquake's magnitude measure

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Q: Why are pebbles in streams round?
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Related questions

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They get moved about and nock into each other and that's how pebbles are a round shape

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What is the Fruity Pebbles Commercial 1970s about?

The plot of that Fruity Pebbles commercial is Fred walks to Barney and asks "What's that Barney?" Barney says his invention is called a "More" but it is acutally a mery go round and Barney persuades Fred to ride it while he (Barney) holds his Fruity and Cocoa Pebbles cereal. Fred agrees but while he rides the Merry go Round, Barney tries the pebbles and Fred asks "Why do you call this a ''More''?" Barney says "The 'more' you ride it the 'more' I can eat your pebbles!" and Fred angrily gets off and says "Why you!" and runs after Barney and Barney runs off with the Pebbles.

Why do pebbles that are rough and uneven become smooth and round?

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