ROCKS AND ROCK CYCLE

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What is the rock cycle?

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The rock cycle is a continuous process that describes how rocks change from one type to another over time through processes like melting, cooling, erosion, and compaction.

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What are igneous rocks?

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Igneous rocks are formed from the cooling and solidification of molten rock (magma or lava).

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What are sedimentary rocks?

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Sedimentary rocks are formed from the accumulation and compaction of mineral and organic particles, often in layers.

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What are metamorphic rocks?

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Metamorphic rocks are formed when existing rocks are changed by heat, pressure, or chemically active fluids.

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What is weathering?

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Weathering is the process of breaking down rocks into smaller pieces due to environmental factors like wind, water, and temperature changes.

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What is erosion?

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Erosion is the process by which soil and rock are removed from one location and transported to another, often by water, wind, or ice.

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What is sediment?

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Sediment is small, solid pieces of material that come from rocks or living things, which can accumulate and form sedimentary rocks.

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What is the difference between magma and lava?

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Magma is molten rock beneath the Earth's surface, while lava is magma that has reached the Earth's surface.

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What is compaction in the context of sedimentary rocks?

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Compaction is the process where sediments are pressed together under their own weight, reducing the space between them.

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What is the role of heat and pressure in forming metamorphic rocks?

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Heat and pressure can change the mineral composition and structure of existing rocks, transforming them into metamorphic rocks.