Staff and children from Padiham Primary School donned wellies and waterproofs for a visit to Cronkshaw Farm in Helmshore.
Despite the rain 42 reception children and adults were delighted to learn about habitats, animals and farm life.
They got the chance to feed the chickens and gather newly laid eggs before sorting them by weight and colour.
They also continued to extend their knowledge of habitats and plants as they chatted to a specialist from the wildlife trust.
The children loved digging in the mud and planting wildflowers in the fields before they got the chance to feed the calves and visit the goats and their kids.
And they were delighted to meet Gerome the cheekiest goat of all who insisted on following them round in search of extra food.
The highlight of the day was the woodland exploration adventure when the children discovered slugs, snails, worms and a frog.
They also loved stroking the sheep dog and were thrilled to watch the sheep being rounded up.