Questions and Answers
Which of the following is NOT one of the three main groups of rocks?
Volcanic rocks
What is the study of rocks called?
Geology
Which part of the Earth's interior is NOT composed of rocks?
Outer core
How are sedimentary rocks formed?
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What is the main factor that categorizes rocks?
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Study Notes
Rocks and Their Classification
- The three main groups of rocks are Igneous, Sedimentary, and Metamorphic.
Study of Rocks
- The study of rocks is called Petrology.
Earth's Interior
- The Earth's crust is composed of rocks, while the Earth's core is not composed of rocks.
Formation of Sedimentary Rocks
- Sedimentary rocks are formed from the accumulation and compression of mineral and organic particles, such as sand, shells, and fossils.
Classification of Rocks
- The main factor that categorizes rocks is their origin or mode of formation.
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