Chapter 6: Minerals, Rocks, & Fossils Test Review

The preserved remains or evidence of ancient living things

• Minerals
• Rocks
• Fossils

A principle that states that geologic change occurs suddenly

• Law of Superposition
• Catastrophism
• Uniformitarianism
• Mohs Scale

Type of rock that forms directly from cooling of magma or lava.

• Igneous Rock
• Metamorphic Rock
• Sedimentary Rock

a naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition.

• Minerals
• Rocks
• Fossils

A principle that geologic processes that occurred in the past can be explained by current geologic processes

• Law of Superposition
• Catastrophism
• Uniformitarianism
• Mohs Scale

Made when heat, pressure, or fluids change one type of rock into another type of rock

• Igneous Rock
• Metamorphic Rock
• Sedimentary Rock

The way a mineral reflects light

• Cleavage
• Fracture
• Luster
• Hardness

Rocks formed from the weathering, erosion, deposition, and compaction of other rocks

• Igneous Rock
• Metamorphic Rock
• Sedimentary Rock

a naturally occurring solid mixture composed of minerals, smaller rock fragments, organic matter, or glass.

• Minerals
• Rocks
• Fossils

The way a mineral looks when it breaks apart in an irregular way

• Cleavage
• Fracture
• Luster
• Hardness