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The smallest type of rock is a pebble. A pebble can be made out of most rocks and is the size of a marble.
initial velocity is the velocity with which a particle starts its journey.
Gravitationally, the same force does not affect a small mass and a large mass.The small mass is acted upon by a smaller gravitational force, and the large massis acted upon by a larger gravitational force. The result is that the small mass andthe large mass fall with the same acceleration, and meet the ground with the samespeed. During the fall, onlookers typically nudge each other and remark to each other:"My word! The large mass weighs more than the small mass!" They are correct in theirimpression, and the scientific reason behind their perspicacious observation is the factthat the gravitational force acting on the large mass is greater than the gravitationalforce acting on the small mass.
Imagine this... Take a smooth pond of water. Take a small pebble and toss it into the pond. Take notice of the ripples created, both the frequency and amplitude. Now take a larger rock and toss it into the smooth pond. Take notice of the ripples it creates. The same frequency with a larger amplitude. The stronger source created larger amplitude waves. This is how two waves can have the same frequency but different amplitudes - a stronger source power.
A big rock has much more inertia to overcome. This means that the reactive force to the kicking foot is much stronger than the small pebble. More force equals more hurts.
These would be referred to as detritus.
mixture of rock particle and salt
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Originally... fossils form as pressure compresses soil materials and forms rock. Rock is larger than the fossil it contains. However, the rock can later fracture or split; the fossil inside the rock can also be broken. But the fossil is still contained in the rock, so rock is still larger until the fossil is mechanically separated from the rock. However, if small, the indentation of fossil can become only an etching in the rock.
Grain
Grain
Grain
The chunks of metal and rock between the planets are known as asteroids. They are small celestial bodies that orbit the Sun. Asteroids can vary in size, ranging from small boulders to objects several hundred kilometers in diameter. They are primarily found in the asteroid belt, a region located between the orbits of Mars and Jupiter, although some asteroids can also be found in other parts of the solar system.
small,light grains of rock larger rocks slow movig large,heavy pieces of rock fast moving smaller rocks
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Recrystallization. Recrystallization is a process whereby small crystals of one mineral will slowly convert to fewer, larger crystals of the same mineral, without melting of the rock.
Petros means a collection of small rocks/pebbles. Typically, this collection is solidified into one larger rock. It's basically a rock made up of smaller solidified pebbles.