click below
click below
Normal Size Small Size show me how
Weathering and Soil
Will help me for the test
| Question | Answer |
|---|---|
| What is soil? | is the loose weathered material on Earthâs surface made of rock, minerals, air, water, and humus. |
| What is soil made of? | rock particles, minerals, air, water, and humus |
| What is a soil horizon? | A soil horizon is a layer of soil that is different in color and texture from the layers above or below it. |
| What is Horizon A (Topsoil)? | a crumbly, dark brown soil that is a mixture of humus, clay, and other minerals. |
| What is Horizon B (Subsoil)? | clay and other particles washed down from horizon A but little humus. |
| What is Horizon C? | contains partially weathered rock |
| What is Bedrock? | the solid layer of rock beneath the soil. |
| What types of decomposers are in the soil? | Protists, Earthworms, Fungi, and bacteria |
| What is weathering? | Weathering is the process that breaks down rock and other material on Earth’s surface. |
| What is Erosion? | Erosion is the movement of broken down rock particles by wind, water, or ice. |
| What are the two types of weathering? | Mechanical and chemical weathering |
| What is Mechanical weathering? | Mechanical weathering is when rock is broken down physically. |
| What are the types of mechanical weathering? | Abrasion,Freezing and Thawing,Heating and Cooling,Animal Actions, and Plant Growth |
| What is chemical weathering? | Chemical weathering is the process that breaks down rock through chemical changes. |
| What are the types of chemical weathering? | The agents of chemical weathering are water, oxygen, carbon dioxide, living organisms, and acid rain. |
| What is the rate of weathering? | The type of rock and the type of climate will determine how fast something weathers. |
| What else is important? | If the rock has a lot of holes or openings (permeable) it will weather faster. Weathering will occur faster in hot and wet climates. |
| True or false? Two types of weathering are chemical and mechanical? | True |
| What is permeable? | If the rock has a lot of holes or openings (permeable) it will weather faster. |
| When will weathering happen faster? | In hot and dry climates. |