Nature and Environment Our methods Identifying cornIdentifying grain foodstuffIdentifying grain productsIdentifying root vegetable productsMilk productionRecognizing berriesRecognizing meatRecognizing plantsRecognizing treesRecognizing footprints of animalsRecognizing excrements of animalsRecognizing animalsAir pollutionRecognizing fishesFishing with selfmade rodBuilding your own bird houseRecognizing birdsRotation material in ecosystemFoodchainFinnish cottage cultureWater characteristics