Weathering,Erosion,and Deposition

Over long periods of time, deposition may change the Earth’s surface by _____.

• forming new land features
• breaking down large rocks into smaller ones
• washing away beaches
• severely draining topsoil

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

Deltas are built up by

• deposition

• leaching

• abrasion

• erosion

The process that lays down sediment in a new location is erosion.

• True

• False

Tags

NGSS.MS-ESS2-2

Weeds growing into the cracks in a sidewalk and the sidewalk begins to crumble is an example of:

• mechanical weathering
• chemical weathering

Tags

NGSS.MS-ESS2-2

Exposure to rain and oxygen causes the metal minerals in rocks to rust and fall apart.  This is an example of:

• mechanical weathering
• chemical weathering

Tags

NGSS.MS-PS1-2

What is sediment?

• the process of rocks being broken down and carried away
• bits of rock, sand, and silt caused by the weathering of rocks
• the top layer of the soil
• decaying plant or animal material 

Which of these is an example of erosion

• Light Shinning onto a mountain
• Rain breaking down rock 
• Wind blowing away sediment
• All of the above

Tags

NGSS.MS-ESS2-2

Waves dropping sand on the beach

• Weathering 
• Erosion
• Deposition

Tags

NGSS.MS-ESS2-2

Rain washing away soil from a hillside

• Weathering
• Erosion
• Deposition

Tags

NGSS.MS-ESS2-2