Weathering, Erosion, Deposition, and Landscapes

The process that breaks down rocks and other materials on Earth's surface is called

• weathering

• erosion

• soil conservation

• decomposition

What is mechanical weathering?

• Process through which rocks are physically broken into smaller pieces.
• Rocks are broken down through chemical changes.
• Rocks are worn away from acid in plant roots.
• Rocks broken down by machinery.

How does freezing water cause the weathering of rocks?  The freezing water—

• keeps the rocks in place
• makes the rocks last longer
• expands cracks and breaks rocks
• causes rocks to fall in landslides

Waves dropping sand on the beach

• Weathering 
• Erosion
• Deposition

Wind blowing sand from one location to another

• Weathering
• Erosion
• Deposition

Flood waters moving soil from one location to another

• Weathering
• Erosion
• Deposition

Wind blasting sand at rock and carving out arches

• Weathering
• Erosion
• Deposition

What is the major cause of weathering and erosion to form canyons?

• wind
• ice
• glaciers
• moving water

What is the correct order of the processes?

• they all happen at the same time
• erosion, weathering, deposition
• weathering, erosion, deposition
• weathering, deposition, erosion

What is the small broken down pieces of rock called?

• dirt
• grime
• sediment
• popcorn