Grand Canyon

The Grand Canyon is 277 miles long and 18 miles wide

• true

• false

Geologists study

• rocks, sand, and trees

• rocks, soil and other parts of the planet

• rocks, soil and water

Is the wearing away of the Earth's surface

• planet

• earthquake

• erosion

Erosion is the wearing away of the Earth's surface by water, wind or ice

• false

• true

The Grand Canyon started out as several smaller separate canyons

• true

• false

The Grand Canyon was formed many milions of years ago.

• false

• true

It is hard to determine how old is the Grand Canyon.

• true

• false

The Grand Canyon doesn't have a complicated history.

• true

• false

Scientists who study Earth's history by examining, rocks, soil and other parts of the planet are called

• Mathematicians

• Biologists

• Geologists

The Grand Canyon is huge and amazing

• false

• true