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- Rock, or stone, is a hard material made up of one or more minerals. Rock makes up the outer layer of Earth, called the crust. The lower parts of this layer are solid rock, or bedrock.
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Rock, or stone, is a hard material made up of one or more minerals. Rock makes up the outer layer of Earth, called the crust. The lower parts of this layer are solid rock, or bedrock. Broken bits of rock lie on top. The tiniest bits of rock make up sand and soil.
Introduction. Rock is a naturally occurring solid material composed of one or more minerals. It is a basic component of Earth, providing the main substance of all but the innermost layers. The outer layer of Earth, called the crust, is made up of rigid rock.
What is a rock? A rock is a solid made up of a bunch of different minerals. Rocks are generally not uniform or made up of exact structures that can be described by scientific formulas. Scientists generally classify rocks by how they were made or formed. There are three major types of rocks: Metamorphic, Igneous, and Sedimentary.
- Rock Classification
- Impact on Human Life
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Rocks are classified by their minerals and chemical make-up. The processes that formed them are also noted. Rocks may be igneous, sedimentary and metamorphic. Rock types may change in a so-called rock cycle.
Rocks have had an impact on human life. They have been used by humans for over two million years. The mining of rocks for their metals has been one of the most important things in human advancement. Rocks are mined for buildingmaterials of all kinds.
The Grand Canyonis an incision through layers of sedimentary rocks.A balancing rock called Kummakivi (literally "strange stone")Sample of igneous gabbroSedimentary sandstone with iron oxidebandsdefinition 1: a solid mass made up of minerals. Rock forms much of the earth's outer layer, including cliffs and mountains. synonyms: bedrock, stone. similar words: pitch. definition 2: a piece of such matter, such as a stone or pebble.
1.4K. 307K views 2 years ago Science Videos for Kids. Did you know there are three types of rock on this planet? In Rocks for Kids, you will learn all about how different kinds of rocks form....
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Rock is continuously being changed, rebuilt, or recycled by the forces of the Earth. Granite, limestone, marble, and sandstone are examples of kinds of rock. Geologists divide rocks into three large groups: igneous, metamorphic, and sedimentary. Lava or magma form igneous rock.
