Rocks and Minerals Review

Front

What determines the luster of a mineral?

Back

The luster of a mineral is determined by observing how light reflects from the surface of the mineral.

Tags

NGSS.MS-PS4-2

Front

What are the two main types of metamorphic rocks?

Back

Foliated and nonfoliated; foliated rocks have visible bands/layers, while nonfoliated rocks do not.

Front

Which element makes up the greatest percent by volume of Earth's crust?

Back

Oxygen.

Front

What type of rock is formed when magma cools very slowly inside the Earth?

Back

Intrusive Igneous Rock.

Front

What mainly determines the crystal shape and type of cleavage of minerals?

Back

Composition and atomic arrangement.

Front

What is the difference between intrusive and extrusive igneous rocks?

Back

Intrusive rocks are formed inside the Earth, while extrusive rocks are formed on the surface.

Front

What is the definition of a mineral?

Back

A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure.

Front

What is the rock cycle?

Back

The rock cycle is the continuous process of rock formation and transformation, including the processes of igneous, sedimentary, and metamorphic rock formation.

Tags

NGSS.MS-ESS2-1

Front

What is the primary process that forms sedimentary rocks?

Back

Sedimentary rocks are primarily formed through the processes of weathering, erosion, deposition, and lithification.

Front

What is the significance of the Mohs scale?

Back

The Mohs scale measures the hardness of minerals, ranking them from 1 (talc) to 10 (diamond).