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The rock cycle shows how rocks change3.1 Notes The rock cycle shows how rocks change
Most Rocks are Made of MineralsJust as the pieces of a jigsaw puzzle combine to form the picture, minerals combine to form most rocks.
Most Rocks are Made of MineralsJust as letters combine to form words, minerals combine to make rocks.
Most Rocks are Made of MineralsA rock is a naturally formed solid that is usually made up of one or more types of minerals.
Most Rocks are Made of MineralsThe proportion of different elements in a particular kind of rock may change.
Most Rocks are Made of MineralsThe minerals in a rock can be jumbled together with no crystal structure.
Most Rocks are Made of MineralsA few rocks are made up of only one mineral. Example: Limestone can be made up of pure Calcite.
Most Rocks are Made of MineralsA few rocks are made up of no minerals. Example: Obsidian
Our World is Built of RocksBeneath the surface, Earth is made of solid and molten rock.
Our World is Built of RocksPeople use rocks for many purposes, including…
Our World is Built of RocksThe building of houses and skyscrapers
Our World is Built of RocksSources of metal like iron and copper.
Our World is Built of RocksThe carving of statues and other works of art.
Our World is Built of RocksAs a base for pavement for roads and highways
Our World is Built of RocksPeople study rocks to learn how areas have changed through time.
Rocks Change as They Move Through the Rock CycleRocks change over thousands to millions of years. The rock cycle is the set of natural processes that form, change, break down, and re-form rocks.
Rocks Change as they Move Through the Rock CycleRocks do not move through the rock cycle in a particular order. The rock cycle has no beginning or ending but goes on continually.
The 3 types of rock are classified by how they form.Rock Types The 3 types of rock are classified by how they form.
Igneous rock forms when molten rock cools and becomes solid.Rock Types Igneous rock forms when molten rock cools and becomes solid.
Igneous rock can form within Earth, or it can form on Earth’s surface.Rock Types Igneous rock can form within Earth, or it can form on Earth’s surface.
Rock Types Sedimentary rocks is formed when pieces of older rocks, plants, and other loose material get pressed or cemented together.
Rock Types Loose material is carried by water or wind and then settles out, forming layers that are pressed down into rock.
Rock Types Metamorphic rock forms when heat or pressure causes older rocks to change into new types of rocks.
Rock Types The changes in heat and pressure cause the structure of the rock to change and new minerals to form.
Rocks in the Crust Igneous, sedimentary, and metamorphic rocks are all found in Earth’s crust.
Sedimentary rock makes up only 5% of the crust.Rocks in the Crust Most of Earth’s crust (95%) consists of igneous rock and metamorphic rock. Sedimentary rock makes up only 5% of the crust.
Rocks in the Crust Sedimentary rocks are the most common type found at the surface because they are formed by processes that occur at the surface.
The 3 groups of rock are sedimentary, metamorphic, and Limestone Review The 3 groups of rock are sedimentary, metamorphic, and Limestone Granite Igneous Coal
2. The rock cycle shows how rocks continually Increase in size Review 2. The rock cycle shows how rocks continually Increase in size Increase in number Become more complex Change over time
3. What kind of rock forms when molten rock cools? Metamorphic Review 3. What kind of rock forms when molten rock cools? Metamorphic Sedimentary Igneous Extrusive
Review 4. An existing rock can change into another type of rock when it is subjected to great Pressure Winds Flooding Foliation
Objectives: 1. Identify three types of rocks 2. Explain how one type of rock can change into another. 3. Tell how common each rock type is in.
The Rock Cycle A rock is a naturally formed solid that is usually made up of one or more types of minerals. Some rocks however can contain no minerals.
3.1 THE ROCK CYCLE SHOWS HOW ROCKS CHANGE. Vocabulary ROCK A naturally formed solid that is usually made up of one or more types of minerals ROCK.
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Naturally formed solid that is usually made up of one or more minerals Minerals combine to form most rocks Minerals – have a definite chemical makeup.
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