Nature Detectives
Run by the Woodland Trust, this fantastic website has many wonderful free downloadable activities ranging from spotter sheets, to games, puzzles and quizzes. There is something for each season of the year with the aim of getting children outdoors exploring, enjoying the magic of every season with fresh ideas and things to do.
http://www.naturedetectives.org.uk/
Wildlife WATCH
This is the junior branch of the Wildlife Trust and has over 150,000 members. The colourful and fun website is full of ideas and activities for young people. Their downloadable wildlife spotter sheets, cover different habitats, seasons and wildlife themes. You can even customise to create your own.
http://www.wildlifewatch.org.uk/spotting-sheets
RSPB Kids
The RSPB website has a section for families and children. This has ideas and activities for discovering wildlife as well as some fun interactive on line wildlife games.
http://www.rspb.org.uk/discoverandenjoynature/families/children/
John Muir Award
The John Muir Award is an environmental award that encourages people of all backgrounds to connect, enjoy and care for wild places through a structured yet adaptable scheme. This is a great scheme for young people of all abilities.