Sedimentary Rocks: Rock Layers

The video introduces the Grand Canyon, a mile-deep canyon in the southwestern United States, known for its many layers of sedimentary rock. It explains how the oldest rock layers are at the bottom and the youngest at the top, making it an excellent site for studying geological history. The Grand Canyon attracts millions of visitors annually due to its impressive geological formations.

What is the name of the large canyon located in the southwestern United States?

• Grand Canyon

• Yellowstone Canyon

• Bryce Canyon

• Zion Canyon

How deep is the Grand Canyon?

• One mile

• Two miles

• Three miles

• Half a mile

What type of rock primarily makes up the layers of the Grand Canyon?

• Metamorphic rock

• Igneous rock

• Volcanic rock

• Sedimentary rock

Where are the oldest rock layers found in the Grand Canyon?

• Scattered throughout

• At the top

• In the middle

• At the bottom

Why do millions of people visit the Grand Canyon each year?

• To see its deep cut layers

• To explore its caves

• To study its wildlife

• To climb its peaks