Second Son and I read about the water cycle in Rivers and Oceans last week. I picked out Water Is Water at the library to read just for fun and it is delightful!
With limited text it follows water through the water cycle, into plants and fruits, and even into people. As the seasons change, a sister and brother play through a year, surrounded by an inviting natural world.
Though it's not integral to the story, a discerning eye will notice they have a black father and a white mother. They are noticeably of color and that only increases the appeal of the story. It's true there are fewer stories of children of color; and I think there are even fewer where the color of the such children is not the focus of the story. They are simply children, swimming, stomping in puddles, throwing snowballs, flying a kite, and picking apples.
A few pages at the end expand on the text to explain evaporation, condensation, precipitation, and other characteristics of water. Second Son and I enjoyed the little pictures showing a snake is 75% water and children are 65% water (by weight).
This is a lovely addition to any study of the water cycle with young children.