The process of breaking up Earth's surface into soil and sediment over a long period of time  is called...

• sediment
• erosion
• weathering
• deposition 

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

• chemical weathering 
• physical or mechanical weathering
• erosion
• Deposition

Acid rain is most likely to cause...

• deposition
• glaciers to move
• chemical weathering
• mechanical weathering

How do plants weather rocks?

• during photosynthesis
• when roots grow into cracks of rocks and expand the rock
• when the plant moves water from the roots to the leaves

What type of Weathering is caused by animal actions?

• Chemical Weathering 
• Erosion 
• Mechanical Weathering 
• Animals 

thermal fractionation, frost wedging, hydration shattering, exfoliation and abrasion. are forms of what? 

• Mechanical Weathering 
• Erosion
• Chemical Weathering 
• Compaction 

Dissolution, hydrolysis, Hydration, and  Oxidation and Acid Rain are examples of what kind of weathering?

• Mechanical Weathering
• Abrasion 
• Chemical Weathering
• Bill Nye the science guy

The process of breaking up rocks caused by CHEMICAL changes that DOES change the actual substance of the rock. 

• erosion
• Acid Rain
• Chemical Weathering
• Rocks

A process that breaks up rocks using PHYSICAL changes that don't change the actual substance.  

• Chemical Weathering 
• Animals 
• Plants 
• Mechanical Weathering 

3.  Which types of changes are included in the process of weathering?

• A.  physical
• B.  chemical
• C.  both