Rock Cycle 2022

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What are igneous rocks and how are they formed?

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Igneous rocks are formed when magma or lava cools and solidifies. They can be classified into two types: intrusive (formed inside the Earth) and extrusive (formed on the Earth's surface).

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What are sedimentary rocks and how do they form?

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Sedimentary rocks are formed from the compaction and cementation of small rock particles, minerals, and organic materials. They often form in layers and can contain fossils.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-1

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What are metamorphic rocks and how do they form?

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Metamorphic rocks are formed from existing rocks (igneous, sedimentary, or other metamorphic rocks) that undergo changes due to heat, pressure, or chemically active fluids.

Tags

NGSS.MS-ESS2-1

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What is the role of the Earth's hot interior in the rock cycle?

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The Earth's hot interior provides the heat necessary for the melting of rocks to form magma, which can lead to the formation of igneous rocks when it cools.

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NGSS.MS-ESS2-1

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How does heat from the sun contribute to the rock cycle?

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Heat from the sun drives processes such as weathering and erosion, which break down rocks into sediments that can form sedimentary rocks.

Tags

NGSS.MS-ESS2-1

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What is the process of weathering?

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Weathering is the breakdown of rocks into smaller particles due to environmental factors such as wind, water, and temperature changes.

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NGSS.MS-ESS2-2

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What is erosion and how does it differ from weathering?

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Erosion is the process of transporting weathered rock particles from one location to another, while weathering is the breakdown of rocks without movement.

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What is the significance of the rock cycle?

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The rock cycle illustrates the continuous process of rock formation, destruction, and transformation, showing how different types of rocks are interconnected.

Tags

NGSS.MS-ESS1-4

Front

What are the three main types of rocks?

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The three main types of rocks are igneous, sedimentary, and metamorphic rocks.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Front

What is lithification in the context of sedimentary rock formation?

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Lithification is the process by which sediments are compacted and cemented together to form sedimentary rocks.

Tags

NGSS.MS-ESS1-4