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There are three types of Rocks based on the way in which they are formed:

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There are three types of Rocks based on the way in which they are formed:

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These rocks are a composite rock formed from sediment such as soil, sand, mud, and pieces of rock and shells. Ex. coal, limestone, rock salt, and shale.

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These rocks have changed from one type of rock to another due to pressure and heat during the rock cycle. Ex. Gneiss, Quartzite, Slate

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Igneous Rocks are formed by volcanic magma or lava during a volcanic eruption or by magma from deep within the earth.

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Igneous Rocks are formed by volcanic magma or lava during a volcanic eruption or by magma from deep within the earth.

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Ex. Obsidian, Pumice, Volcano Tuff

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There are three types of Rocks based on the way in which they are formed:

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There are three types of Rocks based on the way in which they are formed:

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hardness, texture, shine, color, crystaline or non crystaline

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Jayling asked what makes certain rocks valuable?

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Jayling asked what makes certain rocks valuable?

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Tyler asked why was the Genisus Rock found in the Moon’s crust ?

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Tyler asked why was the Genisus Rock found in the Moon’s crust ?

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Sophonie  asked why do some rocks have the quality of hardness?

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Sophonie  asked why do some rocks have the quality of hardness?

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Justyn said rocks can be from sand and by other rocks pressing in each other

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Justyn said rocks can be from sand and by other rocks pressing in each other

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Tyler said he sees a rock large enough to sit on near a store by his house

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Tyler said he sees a rock large enough to sit on near a store by his house

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Sophonie said rocks are made from different materials which are called minerals.

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Sophonie said rocks are made from different materials which are called minerals.

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Mariam said rocks have different shapes 

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Mariam said rocks have different shapes 

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Bilo said I see lots of different rocks in my neighbirhood

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Bilo said I see lots of different rocks in my neighbirhood

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Dayana said rocks have different colors and names

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Dayana said rocks have different colors and names