Exploring the Wonders of the Grand Canyon

The video explores the natural wonder of the Grand Canyon, explaining its formation through erosion by the Colorado River over millions of years. It highlights the canyon's immense size and depth, comparing it to the tallest buildings. The process of erosion, both by river and rainwater, is detailed, showing how it shapes landscapes over time. The role of floods in accelerating erosion is also discussed. The video concludes by encouraging viewers to engage with SciShow Kids for more learning.

What is a canyon?

• A wide river

• A flat plain

• A deep gorge or gully in the earth

• A large mountain

How long is the Grand Canyon?

• 150 kilometers

• 600 kilometers

• 450 kilometers

• 300 kilometers

What river carved the Grand Canyon?

• Nile River

• Colorado River

• Amazon River

• Mississippi River

What is the process called when dirt and rock are moved from one place to another?

• Deposition

• Weathering

• Erosion

• Sedimentation

What natural event can speed up the erosion process in a river?

• Volcanic eruption

• Drought

• Flood

• Earthquake

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NGSS.MS-ESS3-2

How do floods contribute to the deepening of the Grand Canyon?

• By depositing more sediment

• By carrying away more rocks and dirt

• By creating new rivers

• By stopping erosion

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NGSS.MS-ESS2-2

What makes the Grand Canyon wider?

• Animal activity

• Rainwater erosion

• Human construction

• Wind erosion

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

How wide is the Grand Canyon at its widest point?

• 10 kilometers

• 20 kilometers

• 30 kilometers

• 40 kilometers

How long ago did the Grand Canyon start forming?

• 3 to 4 million years ago

• 7 to 8 million years ago

• 1 to 2 million years ago

• 5 to 6 million years ago

What indicates that erosion is still happening in the Grand Canyon?

• The river is dry

• The rocks are not moving

• The Grand Canyon is shrinking

• The Colorado River is still flowing

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4