Unit 1: The Restless Earth

What is the principle that suggests the same natural processes that operate today have always operated in the past?

• Catastrophism

• Uniformitarianism

• Evolution

• Plate Tectonics

What is a fossilized mark, such as footprints or burrows, left by an organism called?

• Body Fossil

• Trace Fossil

• Amber

• Ice Core

What is a cylindrical sample taken from an ice sheet that provides climate data over time?

• Ice Core

• Sediment Core

• Tree Ring

• Rock Sample

What term describes the preserved remains or traces of living organisms from the past?

• Fossil

• Mineral

• Artifact

• Sediment

What is the long-term average of weather conditions in a particular area called?

• Weather

• Climate

• Atmosphere

• Temperature

What is the outermost layer of the Earth, composed of solid rock?

• Mantle

• Core

• Crust

• Lithosphere

What is the layer of the Earth located between the crust and the core, composed of solid and molten rock?

• Crust

• Mantle

• Core

• Lithosphere

What is the innermost layer of the Earth, composed mainly of iron and nickel?

• Crust

• Mantle

• Core

• Lithosphere

What term describes the mass per unit volume of a substance?

• Volume

• Mass

• Density

• Weight

What is the rigid outer layer of the Earth, consisting of the crust and the upper part of the mantle?

• Asthenosphere

• Lithosphere

• Mesosphere

• Outer Core