What is a rock?
Q: What is a rock?
A: A rock is a naturally occurring solid made up of collections of mineral grains held together in a firm, solid mass.
Q: What is the lithosphere?
A: The lithosphere is the Earth's outer solid layer made of rock.
Q: What is the Earth's crust made of?
A: The Earth's crust is made of rock.
Q: What are rocks made of?
A: Rocks are made of minerals, which are crystalline, or other mineral-like substances.
Q: What makes different kinds of rock?
A: The different minerals in the rocks make different kinds of rock.
Q: What is the scientific study of rocks called?
A: The scientific study of rocks is called petrology.
Q: Where can rock be found?
A: Rock can be found beneath the oceans, lakes, and rivers of the earth, under the polar icecaps, and often covered by soil or water.
