2 Ergebnisse.

The soil decomposition cycle and the water cycle are two of the many kinds of cycles that occur in the natural world. But nature can use some help in these environmentally stressful times, so after describing the way in which the soil and water cycles work, author Michael Elsohn Ross also offers an illustrated description of what young people can do to recycle natural and human-made materials.

The Earth is round like a ball and it moves in circular motions. It changes in patterns that go round and round like the wheels of a bike. So begins EARTH CYCLES, a book that describes three of the cyclical phenomena created by the movement of Earth. Day to night to day and back again is one cycle, and the cycle of the moon gradually moving from a sliver to a giant disk and back again is another. The seasons' never-ending cycle of spring to su...