Rock Layers

Front

What are rock layers?

Back

Rock layers are different strata of rock that have formed over time, each layer representing a specific period in Earth's history.

Front

What causes earthquakes?

Back

Earthquakes are caused by the movement of tectonic plates beneath the Earth's surface.

Front

Which layer of rock is usually the oldest?

Back

The bottom layer of rock is usually the oldest, as new layers form on top of older ones.

Front

How long does it take for layers of rocks to form?

Back

Layers of rocks can take millions of years to form.

Front

What natural process can bend rocks?

Back

Rocks can be bent due to the pressure in the Earth's surface.

Front

What is the Grand Canyon primarily formed by?

Back

The Grand Canyon was primarily formed by the erosion caused by the Colorado River.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by wind, water, or ice.

Front

What is sediment?

Back

Sediment is small particles of rock and soil that are carried and deposited by water, wind, or ice.

Front

What is a fossil?

Back

A fossil is the preserved remains or traces of a once-living organism, often found in sedimentary rock.

Front

What is the rock cycle?

Back

The rock cycle is the continuous process of rock formation, breakdown, and reformation over geological time.