Relative size of sand, silt and clay particles

All soils contain mineral particles, organic matter, water and air. The combinations of these determine the soil’s properties – its...

Imagine having a job where you get to work outside and no one worries if you get dirty! That is...

If you dig a hole in your school playing field, will the soil there look the same as the soil...

In this activity, students use an interactive or paper-based graphic organiser to explore their ideas about the components of soil....