Soil + Weathering

Soil is a mixture of decayed organic matter, mineral fragments, water, and air but not weathered rock, rock fragments, .

Decomposition is the process of weathering of inorganic matter.

Organic matter is the remains of something that was once alive.

Within the soil, there are different size of gap between different particles. These gap are referred to it as what?

Parent material is the starting material of soil.

The average weather of an area is called weather.

The amount of precipitation, the daily and an average annual temperatures are some measures of climate.

Warm or warm temperature, wet climate, soil formation can speed up weathering.

Topography show how beautiful the mountains is.

The chemical and physical processes that change objects on Earth’s surface over time are called erosion.

Constructive processes build up features on Earth’s surface.

Constructive processes tear down features on Earth’s surface.

Two main forces that break down land slowly are weathering and landform.

During chemical weathering, physical processes break rocks into smaller pieces.

Mechanical weathering will changes the chemical makeup of the rock.

A combination of constructive processes and destructive processes produce

Between sandy and clay soils, clay soil holds more water and nutrients because it consists of smaller particles that have more surface area.

Grinding rock away by friction or impact is called ______________.

Chemical weathering alters the physical composition of the rock.