click below
click below
Normal Size Small Size show me how
Soil
Soily
| Question | Answer |
|---|---|
| 1 | Soil is loose weathered material on earth's surface in which plants can grow. It is a mixture of rock particles, minerals, decayed organic matter, water, and air. |
| 2 | Bedrock is the solid layer of rock beneath the soil. |
| 3 | Humus is a dark colored substance that forms when plants and animals decay. |
| Soil Fertility | How well the soil supports plant growth |
| Soil Texture | The feel and size of the particles in the soil |
| Soil pH | How much acid is in the soil |
| O Horizon | Made of organic material of plant and animal remains |
| a horizon | Made of topsoil |
| b horizon | Made of subsoil |
| c horizon | Made of bedrock that is beginning to weather and break apart |
| e bedrock | Solid layer of rock |
| Decomposers | breaks up remains of dead plants and animals. |
| Burrowers | Mix up the soil |