Chris provides the following ‘off the shelf’ workshops that relate directly to National curriculum topics. They are usually suited for one day with one class, or half a day each with two classes: (I will place a slideshow of these workshops when i have worked out how to do it!)

A sense of place - working with the senses, story and scrapbooks
animals and us 
Australia,
containers,
creation myths
cyclic patterns
Egypt play with Clay day – make Gods, Goddesses, pyramids and maps
friction and forces,
habitats and homes,
keeping warm,
lifecycles,
materials,
mother nature designer,
mountain environments,
myths and legends,
patterns in nature,
rainforests,
rivers and watersheds,
shelters,
survival skills day for year 6,
woodland walk