Weathering, erosion, and deposition

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

• weathering
• erosion
• soil conservation
• decomposition

Tags

NGSS.MS-ESS2-2

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.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-1

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

Tags

NGSS.MS-ESS2-2

Rain washing away soil from a hillside

• Weathering
• Erosion
• Deposition

Tags

NGSS.MS-ESS2-2

Waves dropping sand on the beach

• Weathering 
• Erosion
• Deposition

Tags

NGSS.MS-ESS2-2

Wind blowing sand from one location to another

• Weathering
• Erosion
• Deposition

Tags

NGSS.MS-ESS2-2

Muddy water being carried away by a fast-moving river

• Weathering
• Erosion
• Deposition 

Tags

NGSS.MS-ESS2-2

Flood waters moving soil from one location to another

• Weathering
• Erosion
• Deposition

Tags

NGSS.MS-ESS2-2

Rocks being made smooth by tumbling across a streambed

• Weathering
• Erosion
• Deposition

Tags

NGSS.MS-ESS2-2

Wind blasting sand at rock and carving out arches

• Weathering
• Erosion
• Deposition

Tags

NGSS.MS-ESS2-2