I WONDER - Why Is The Grand Canyon's Rock Coloured?

The video explores the Grand Canyon's multicolored rock layers, which serve as a visual timeline of Earth's geological history. It explains how each layer represents a different geological era, with the oldest layers dating back nearly 2 billion years. The vibrant colors in the rock layers are due to various minerals, such as iron and copper, which add hues to the sandstone and limestone formations.

What is one of the most notable features of the Grand Canyon?

• Its river system

• Its wildlife diversity

• Its vast size

• Its multicolored rock layers

What do the rock layers of the Grand Canyon represent?

• Various plant species

• Different types of minerals

• Various weather patterns

• Different geological eras

Approximately how old are the oldest rock layers at the base of the Grand Canyon?

• 1 million years

• 500 million years

• 2 billion years

• 5 billion years

What causes the vibrant colors in the Grand Canyon's rock layers?

• The presence of water

• The type of vegetation

• The sunlight reflection

• The minerals like iron and copper

Which minerals are responsible for adding color to the sandstone and limestone formations in the Grand Canyon?

• Gold and silver

• Iron and copper

• Nickel and tin

• Zinc and lead