What is soil?

Discover the millions of microorganisms in soil.

Material processes - Classifying materials - Soil

Learning Points
Soil is a mixture of rock particles, organic matter, air and water.

Soil is formed over many years when rock is weathered into small particles.

A Twig Curriculum Film. Delivering key learning points. Get straight to the facts in just three minutes – directly linked to core learning, Twig's curriculum films will fit neatly into your lesson plans.