1. Soil Sleuths
The DIRT on Soil!

2. Soil
What makes up soil?
How do living things use soil?

3. How are soils different from one another?
How are they alike?

4. Soil Investigation
It’s a dirty job!

5. How does the soil look different?
Different Soil Types!
How does the soil look different?

6. How does the soil look different?
Different Soil Types!
How does the soil look different?

7. How does the soil look different?
Different Soil Types!
How does the soil look different?

8. How does the soil look different?
Different Soil Types!
How does the soil look different?

9. Geologists
Soil scientists investigating soil in Texas.

10. There are 12 soil orders (classifications) in the world
There are 12 soil orders (classifications) in the world. Of these, the state of Texas has nine. There are more than 1,300 soil series in Texas, and each series is classified in one of these nine soil orders.

11. Entisols: Galveston Series Texas Gulf Coast
Alfisols: Duval Series Rio Grande Plains
Entisols: Galveston Series Texas Gulf Coast
Histosols: Allemands Series Southeast Texas
Aridisols: Upton Series Trans-Pecos Region

12. Inceptisols: Weswood series Central Texas
Vertisols: Houston Black Series Blackland Praire
Mollisols: Pullman Series High Plains
Ultisols: Bowie Series East Texas

13. Soil Sleuths
The DIRT on Soil!