The Dynamic Earth Unit 1 TEST

A deep valley with steep walls that cut into the earth caused by erosion from running water.

• Valley
• Canyon
• Gulf
• River

Weathering is when Earth's crust is slowly broken into smaller pieces.

• True
• False

Earth's surface can be worn away by 

• Water
• Food
• Recycling
• Earth's surface can't be worn away.

Where is earth's crust?

• In the core of Earth
• Outer most part of the Earth
• Below volcanos
• In sedimentary rocks

Rock falls can change a mountain physically in a hurry.

• True
• False

What is this landform

• valley
• mountain
• hill
• glacier

What is this landform?

• mountain
• canyon
• coast
• cliff

What is this landform?

• city
• coast
• bay
• river

What is this landform?

• valley
• hills
• river
• lake

How does chemical weathering change landforms?

• Freezing and thawing causes rocks to spilt. 
• Acid rain reacts with calcite and wears it away. 
• Abrasion causes rocks to rub and bang into each other.