Grade 5 ELA: Key Ideas and Details

Key Ideas and Details

Read the passage carefully and answer the questions that follow. Pay close attention to the main idea and important details.

The Grand Canyon

The Grand Canyon, located in Arizona, is one of the most spectacular natural wonders of the world. It is a massive gorge carved by the Colorado River over millions of years. The canyon is 277 miles (446 km) long, up to 18 miles (29 km) wide, and over a mile (1.8 km) deep. Its sheer size makes it an awe-inspiring sight.

The rocks of the Grand Canyon tell a story of Earth's history. Different layers of rock, each with its own color and texture, represent different geological periods. These layers contain fossils that provide clues about ancient life forms. Scientists study these layers to understand how the Earth has changed over time.

Millions of tourists visit the Grand Canyon each year. They come to hike its trails, raft on the Colorado River, and simply admire the breathtaking views. The South Rim is the most accessible part of the canyon and offers many viewpoints. The North Rim is higher in elevation and offers a different perspective, but it is closed during the winter months due to snow.

1. What is the main idea of the first paragraph?

2. Which detail supports the idea that the Grand Canyon tells a story of Earth's history?

3. The Grand Canyon is located in  .

4. The Grand Canyon was carved by the   River.

5. According to the passage, what do scientists learn from studying the rock layers of the Grand Canyon?

6. The North Rim of the Grand Canyon is open to visitors all year round.