As part of our current Expedition, Earth Shattering Events, we looked at the different layers of soil. We made our own soil showing the organic matter, topsoil, subsoil and bedrock using different biscuits.
Super soil sections!
As part of our current Expedition, Earth Shattering Events, we looked at the different layers of soil. We made our own soil showing the organic matter, topsoil, subsoil and bedrock using different biscuits.