Count:
How many trees you see
How many kind of trees you see
Compare:
The shapes of the leaves
How tall the trees are
Look for:
Animals living in or around the trees (squirrels, birds, ants, etc.)
Different colors of leaves and flowers
Listen for:
Birds or animals in the trees
Wind or rain touching the leaves
Feel:
The bark of the trees
The leaves or needles
Caution: do not touch poison ivy! (Pictured below)