described rock particles in soil and explain it
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Properties of Rocks
Rocks have a variety of properties that can be studied in the classroom. Among others, these include
color: some rocks are dark, others are lightcrystals: some rocks have crystals and others do not. If they do have crystalsarrangement: are the crystals random or in layerssimilarity: are the crystals uniform or differentparticles: some rocks contain sand or gravel particlesholes: many volcanic rocks have holes in themlayers: sedimentary rocks have layers as do some metamorphic rocksreflectivity: some rocks reflect light like a mirrorluster: some rocks are shiny, others are dullhardness: the Mohs hardness scale is usedmagnetic properties: some rocks attract a magnet, others do not
Geologists also use several other properties in studying rocks. These include the density and specific gravity, reactivity with acid and the color of the streak that the rock leaves on a piece of unglazed tile.
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The Rock Cycle
Many natural phenomena occur in cycles. The rock cycle explains the relationship between the three major groupings of rocks.
➡Igneous rocks are formed deep within the Earth. They come up to the surface underground (in the form called magma) or break out of the ground (in the form called lava).
➡Sedimentary rocks are formed in layers as sediments, usually on the bottom of the ocean. Sometimes sedimentary rocks begin as layers of dirt or sand on the land. They get buried under thousands and thousands of feet of other rocks and turn to stone.
➡Metamorphic rocks begin as either igneous rocks or sedimentary rocks. Through the processes associated with plate tectonics, these rocks are taken deep into the ground by subduction. Once deep underground, they are heated and remelted. They later cool and become metamorphic rocks.
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HOPE IT HELPS YOU MATE....
BY GURVEER....
♡♥♡♥♡♥♡♥♡♥♡♥♡♥♡♥♡♥♡
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Properties of Rocks
Rocks have a variety of properties that can be studied in the classroom. Among others, these include
color: some rocks are dark, others are lightcrystals: some rocks have crystals and others do not. If they do have crystalsarrangement: are the crystals random or in layerssimilarity: are the crystals uniform or differentparticles: some rocks contain sand or gravel particlesholes: many volcanic rocks have holes in themlayers: sedimentary rocks have layers as do some metamorphic rocksreflectivity: some rocks reflect light like a mirrorluster: some rocks are shiny, others are dullhardness: the Mohs hardness scale is usedmagnetic properties: some rocks attract a magnet, others do not
Geologists also use several other properties in studying rocks. These include the density and specific gravity, reactivity with acid and the color of the streak that the rock leaves on a piece of unglazed tile.
------------------------
The Rock Cycle
Many natural phenomena occur in cycles. The rock cycle explains the relationship between the three major groupings of rocks.
➡Igneous rocks are formed deep within the Earth. They come up to the surface underground (in the form called magma) or break out of the ground (in the form called lava).
➡Sedimentary rocks are formed in layers as sediments, usually on the bottom of the ocean. Sometimes sedimentary rocks begin as layers of dirt or sand on the land. They get buried under thousands and thousands of feet of other rocks and turn to stone.
➡Metamorphic rocks begin as either igneous rocks or sedimentary rocks. Through the processes associated with plate tectonics, these rocks are taken deep into the ground by subduction. Once deep underground, they are heated and remelted. They later cool and become metamorphic rocks.
========================
HOPE IT HELPS YOU MATE....
BY GURVEER....
♡♥♡♥♡♥♡♥♡♥♡♥♡♥♡♥♡♥♡
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