Look into the eyes of this man. What's he thinking?
Find, stalk and photograph every producer and consumer in a food chain.
Visit a wood. How far can you walk in a straight line without bumping into a single tree?
Can you work out which direction is north just by looking for moss on trees?
Imagine all the things around you have never been discovered before. What would you name them? Start a small field notebook and fill it with sketches of your newly named findings.
Find something dead that is helping something living.
Who can find and climb the lowest tree branch?
Travel 100 metres without being seen.
Imagine you are the last bear in Britain. Explore a wood as if you're that bear.
Make your way across this bridge without touching, hearing, tasting, smelling or seeing an insect. If you do, start again!
As you pass through this bird reserve, mark each bird you see, hear or sense out of five on different criteria. You can judge them on how pretty they are, how good they sound, how big their poops...