Soil Test Review

This is the chemical weathering where the element oxygen combines with other elements or molecules.

• Oxidation
• Abrasion
• Animal
• Chemical Weathering
• Ice Wedging

This is when physical processes naturally break rocks into smaller pieces.

• Mechanical Weathering
• Abrasion
• Animal
• Chemical Weathering
• Ice Wedging

In _____, water enters cracks in rocks and freezes which then breaks the rock.

• Ice Wedging
• Abrasion
• Animal
• Chemical Weathering
• Mechanical Weathering

The grinding rock away by friction or impact is called :

• Abrasion
• Animal
• Chemical Weathering
• Ice Wedging
• Mechanical Weathering

The mechanical and chemical process that changes objects on Earth's surface over time is called:

• Weathering
• Abrasion
• Animal
• Chemical Weathering
• Ice Wedging

This type of weathering changes the materials that are part of a rock into new materials.

• Chemical Weathering
• Abrasion
• Animal
• Ice Wedging
• Mechanical Weathering

This is a mixture of weathered rock, rock fragments, decayed organic matter, water and air.

• soil
• biota
• climate
• decomposition
• horizon

This is the remains of something that was once alive.

• organic material
• biota
• climate
• decomposition
• horizon

The small holes and spaces in soil are called _____.

• pore
• biota
• climate
• decomposition
• horizon

This is the process of changing once-living material into dark-colored organic matter.

• decomposition
• biota
• climate
• horizon
• organic material