The Grand Canyon: a trail through time

Front

What river carved the Grand Canyon?

Back

The Colorado River.

Front

How does the sentence 'A predawn storm rumbles over Grand Canyon National Park' help you visualize?

Back

It helps you visualize how the canyon sounds.

Front

In the simile 'The mountains stand like sentries on the plateau', what are the mountains compared to?

Back

Soldiers.

Front

What is the process called when water moves rocks and dirt?

Back

Erosion.

Front

Why can visitors find shells and fish teeth in some rock layers of the Grand Canyon?

Back

The land was covered by water long ago.

Front

What is the Grand Canyon?

Back

A large canyon in Arizona, carved by the Colorado River over millions of years.

Front

What is erosion?

Back

The process by which natural forces move weathered rock and soil from one place to another.

Front

What are sedimentary rocks?

Back

Rocks formed by the accumulation of sediments, often found in layers.

Front

What is a plateau?

Back

A flat, elevated area of land.

Front

What role does the Colorado River play in the Grand Canyon?

Back

It is the primary river that carved the canyon.