| A | B |
| SAND | largest part of soil; doesn't hold many nutrients |
| SILT | size is between sand and clay; feels smooth and powdery |
| CLAY | smallest of the particles; can hold a lot of nutrients |
| HUMUS | made of decayed parts of once-living organisms |
| TOPSOIL | top layer of soil |
| LOAM | topsoil with a mix of particle sizes |
| BEDROCK | the rock that makes up the continents and the loose soil |
| LITHOSPHERE | the layer of the earth where soil can be found |