Flashcard on Earth's Layers and Composition

Front

What are the four major layers of the Earth in order from the center to the surface?

Back

Inner Core, Outer Core, Mantle, Crust

Front

What is the composition of the Earth's inner core?

Back

Solid, composed mainly of iron and nickel

Front

Which layer of the Earth is described as a dense, hot layer of flexible rock below the crust?

Back

Mantle

Front

What is the primary cause of Earth's interior heating?

Back

Radioactive decay

Front

What is the study of Earth's past magnetic fields called?

Back

Paleomagnetism

Front

Which of the following is NOT one of Earth's four major spheres? Lithosphere, Geosphere, Hydrosphere, Atmosphere

Back

Lithosphere

Front

What theory suggests that continents were once a single supercontinent that drifted apart?

Back

Plate tectonics

Front

Which catastrophic event can be predicted using Doppler radar and atmospheric data?

Back

Tornadoes and Hurricanes

Front

Sequence of Earth's layers from the center to the surface.

Back

Inner Core, Outer Core, Mantle, Crust

Front

Identify the differences between the inner and outer core in terms of composition, state of matter, and function within Earth’s structure.

Back

Inner Core: Solid, Iron-Nickel; Outer Core: Liquid, Iron-Nickel