Earth's Structure 1: Exploring Earth's Layers and Processes

Front

What is the rock cycle?

Back

The rock cycle is a continuous process that describes how rocks are formed, broken down, and reformed through various geological processes, including weathering, erosion, and plate tectonics.

Front

What are the three main types of rocks?

Back

The three main types of rocks are igneous, sedimentary, and metamorphic.

Front

What is the lithosphere?

Back

The lithosphere is the rigid outer layer of the Earth, consisting of the crust and the upper part of the mantle.

Front

What is the mantle?

Back

The mantle is the thick layer of rock between the Earth's crust and outer core, composed of semi-solid rock that flows slowly.

Front

What is the outer core?

Back

The outer core is a layer of the Earth composed of liquid iron and nickel, located beneath the mantle and above the inner core.

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What is plate tectonics?

Back

Plate tectonics is the theory that explains the movement of the Earth's lithospheric plates and how they interact at their boundaries.

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What are mid-ocean ridges?

Back

Mid-ocean ridges are underwater mountain ranges formed by the upwelling of magma at divergent plate boundaries.

Front

What is weathering?

Back

Weathering is the process of breaking down rocks into smaller particles through physical, chemical, or biological means.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from one location and transported to another by natural forces such as wind or water.

Front

What is a fossil?

Back

A fossil is the preserved remains or traces of ancient organisms, providing evidence of past life and environmental conditions.