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Soil
| Question | Answer |
|---|---|
| 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. |
| Bedrock is what? | The solid layer of rock beneath the soil. |
| What is humus? | It's 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 |
| Bedrock | Solid layer of rock |
| Decomposers | Breaks up remains of dead plants and animals. |
| Burrowers | Mix up the soil |