Earth Science Cumulative Review

Front

What does the theory of continental drift state?

Back

The continents were once joined in a super-continent and have moved over time.

Front

What are the five Virginia Provinces in order from EAST to WEST?

Back

Coastal Plain, Piedmont, Blue Ridge, Valley and Ridge, Appalachian Plateau.

Front

What type of rock is formed when magma hardens beneath Earth's surface?

Back

Intrusive Igneous Rock.

Front

What is luster in relation to minerals?

Back

The way light reflects off of a mineral's surface.

Front

What does the term 'streak' refer to in mineralogy?

Back

The powdered color left by a mineral.

Front

What is the difference between intrusive and extrusive igneous rocks?

Back

Intrusive igneous rocks form beneath the Earth's surface, while extrusive igneous rocks form on the surface from lava.

Front

What is the definition of a mineral?

Back

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

Front

What is the rock cycle?

Back

The continuous process of rock formation and transformation, including igneous, sedimentary, and metamorphic rocks.

Front

What is the definition of erosion?

Back

The process by which soil and rock are removed from the Earth's surface by natural processes such as wind or water.

Front

What is the difference between weathering and erosion?

Back

Weathering is the breaking down of rocks, while erosion is the movement of those broken materials.