Chapter 4 Rocks Science Test

9 terms by ariel_neyman

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What is the difference between foliated and non-foliated?

The term foliated describes a metamorphic rock whose mineral grains line up in parallel layers. The term nonfoliated describes a metamorphic rock whose mineral grains grow and rearrange but generally do not form layers.

What is the difference between cementation and compaction?

Compaction describes the process during which small sediments stick together and form sedimentary rock. Compaction occurs when minerals such as quartzite, calcite, or hematite are deposited between the pieces of sediment

What is the difference between sediment and lava?

Sediment is composed of weathered pieces of rock and other material, while lava is magma that reaches Earth's surface and flows from volcanoes

What is the difference between extrusive and intrusive?

Extrusive is a type of igneous rock that formed as lava cools on the Earth's surface, while intrusive is a type of igneous rock that forms from magma below Earth's surface.

What is the difference between a rock and the rock cycle?

A rock is a mixture of mineral, volcanic glass, and other materials, or other materials which can be igneous, sedimentary, or metamorphic. The rock cycle is a model that scientists have developed to show how a rock slowly changes through time.

What is the difference between metamorphic rock, igneous rock, and sedimentary rock?

Metamorphic rocks are rocks that changed because of changes in temperature and pressure or the presence of hot watery fluids. Igneous rock are rocks that are formed when hot magma cools and solidifies. Sedimentary rocks are rocks that form when sediments are compacted and cemented together, or when minerals form from solutions.

What is the difference between sediment and sedimentary rock?

Sediment is composed of weathered pieces of rock and other materials, while sedimentary rock forms when sediments are compacted and cemented together.

What is the difference between lava and igneous rock?

lava is magma that reaches Earth's surface and flows from volcanoes, while igneous rock is a rock that forms when magma cools and solidifies.

What is the difference between basaltic and granitic?

Basaltic igneous rocks are dense, dark-colored rocks that form form magma that is rich in iron and magnesium and poor in silica. Granitic igneous rocks are light-colored rocks of a lower density than basaltic rocks that are formed from thick,stiff magma that contains lots of silica but not as much iron and magnesium.

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