Unit contents sheet -- credits sheet -- 6 copies of Level B booklet: Turn it off / written by Kate Sinclair -- 6 copies of Level C booklet: All kinds of energy / written by Annie Thomas -- 6 copies of Level E booklet: Earth hour / written by Kelly Moodie -- 6 copies of Level H booklet: The bean plant experiment / written by Sebastian Flowers -- 6 copies of Level I booklet: Eat for energy / written by Annie Thomas -- 6 copies of Level K booklet: Water power / written by Sara Mitchell -- 6 teacher's guide (one for each level).