Nature's Sculpture

What causes sand and dirt to move into the air?

• Rain

• Wind

• Ice

• Rocks

What happens to the soil during heavy rain?

• It becomes dry

• Tiny streams form

• It turns to sand

• It stays the same

What is erosion?

• The breaking and moving of rocks, sand, and dirt

• A type of storm

• Water turning into ice

• Sand covering rocks

What are hoodoos?

• Tall rock towers

• Small streams in the soil

• Rocks with interesting shapes

• Cracks in the earth

What does the Colorado River do to the Grand Canyon?

• Makes it deeper and wider over time

• Fills it with rocks

• Covers it in sand

• Stops erosion from happening

How many arches are in Arches National Park?

• 100

• 500

• Over 2,000

• 5,000

What does erosion create over millions of years?

• Cracks in the earth

• Beautiful sculptures like arches and canyons

• Large rivers

• Strong winds

What are some shapes hoodoos resemble?

• Castles and animals

• Rivers and streams

• Large trees

• Mountains and valleys

What forces helped shape Monument Valley?

• Volcanoes and lava

• Wind and water erosion

• Earthquakes and landslides

• Glaciers and ice

How deep is the Grand Canyon?

• One mile deep

• Two miles deep

• Half a mile deep

• Three miles deep