Weathering, erosion, and deposition

Rain washing away soil from a hillside

• Weathering
• Erosion
• Deposition

Tags

NGSS.4-ESS2-1

Glaciers dropping rock and sand to form moraines (deposition of debris)

• Weathering
• Erosion
• Deposition

Tags

NGSS.MS-ESS2-2

What is the wearing away or breaking down of rocks called?

• Deposition
• Erosion
• Glaciers
• Weathering

Tags

NGSS.4-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.4-ESS2-1

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.4-ESS1-1

NGSS.4-ESS2-1

During chemical weathering, what can happen to the type of rock that has undergone chemical weathering?

• a new rock is produced that is larger than the original rock
• a new rock is produced that is the same as the original rock
• a new rock is produced that is different from the original rock 
• no new rock is created - it is just smaller in size

Tags

NGSS.4-ESS2-1

Which agents  break down earth materials?

• wind only
• earthquakes and gravity
• ice and 007
• wind, water, and ice

Tags

NGSS.4-ESS2-1

What type of weathering is it when acid rain breaks down and changes the rock.

• chemical weathering 
• physical or mechanical weathering
• erosion

Tags

NGSS.4-ESS2-1

Picture A is a mountain in the Sierra Nevada. Picture B shows only the west ridge of the mountain range.  What is the most likely reason for the shape of picture B?

• It was hit by a volcanoe
• Chemical weathering
• mechanical weathering
• it was caused by an earthquake

Tags

NGSS.4-ESS1-1

NGSS.4-ESS2-1

What is sediment?

• a chemical reaction
• tiny pieces of weathered rock carried by wind or water
• pollution

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2