4th Grade Earth Science Review

Front

What is the process of breaking rock into sediment called?

Back

Weathering

Front

What is the term for the breaking of a mineral along a smooth flat surface?

Back

Cleavage

Front

How does a mineral surface reflect light?

Back

Luster

Front

What type of rock is formed when sediments are layered, pressed, and cemented together?

Back

Sedimentary Rock

Front

What type of rock is limestone?

Back

Sedimentary Rock

Front

What is erosion?

Back

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

Front

What is 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 by which rocks are formed, broken down, and reformed.

Front

What is igneous rock?

Back

Rock that forms from the cooling and solidification of magma or lava.

Front

What is metamorphic rock?

Back

Rock that has been changed from its original form by heat, pressure, or chemical processes.