Term
| What is mechanical weathering? |
|
Definition
| Occurs when physical forces break rock into smaller and smaller pieces without changing the rock's mineral composition. |
|
|
Term
|
Definition
| Is a most common in mountainous regions in the middle latitudes. |
|
|
Term
| When water freezes,its volume.... |
|
Definition
| It expands by about 9 percent,exerting a tremendous outward force. |
|
|
Term
| Which of the following is NOT associated with mechanical weathering? |
|
Definition
|
|
Term
| What is chemical weathering? |
|
Definition
| Is a transformation of rock into one or more new compounds. |
|
|
Term
| Which of the following is the result of chemical weathering? |
|
Definition
| A rock that has been broken into tiny pieces. |
|
|
Term
| The atmospheric gas that form a mild acid when dissolved in water is.... |
|
Definition
|
|
Term
| What would cause the inscription on a marble gravestone to become harder and harder to read over time? |
|
Definition
|
|
Term
| What climate does chemical weather favor the most? |
|
Definition
|
|
Term
| What are the major components of soil? |
|
Definition
| Soil has four major components mineral matter,or broken-down rock;organic matter,or humus,which is the decayed remains of organisms;water;and air. |
|
|
Term
| A soil texture is determined by.... |
|
Definition
| Soil texture refers to the proportions of different particle sizes. |
|
|
Term
| The main source of organic matter in soil is.... |
|
Definition
|
|
Term
| Use Figure 5-1 to determine what a soil is called if it has 20 percent clay,60 percent silt,and 20 percent sand.... |
|
Definition
|
|
Term
| What are the proportions of clay,silt,and sand shown at point B in Figure 5-1? |
|
Definition
| Clay 20 percent,Silt 40 percent,and Sand at 40 percent. |
|
|
Term
| What are the proportions of clay,silt,and sand shown at point A in Figure 5-1? |
|
Definition
| Clay 60 percent,Silt 20 percent,and Sand at 80 percent. |
|
|
Term
What are the proportions of clay,silt,and sand shown at point C in
Figure 5-1? |
|
Definition
|
|
Term
| A soil associated with hot and wet tropics is.... |
|
Definition
|
|
Term
| Pedalfer soils contain high amounts of.... |
|
Definition
|
|
