How are mountains formed? What makes the air we breathe? What causes the ocean waves? Now you can learn the answers to these and other questions about the earth, sea, and air through 101 fun, safe, low-cost experiments and activities that can be preformed at home or in the classroom. These books are a treat to work with. The kids love the experiments and I love the scientific explanation for the result of each experiment in simple terms that are easy to understand. Ages 8-12 An elementary science experiment book that is both educational and fun. It contains 101 thoroughly tested and safe experiments relating to earth science. Each experiment has a clear purpose, list of materials and step-by-step illustrated instructions. In addition, without giving too much away, it provides hints as to what may be expected from a given experiment and offers a full explanation of the outcome in understandable terms. Most materials necessary for the experiments are readily available around the house. The aim is to make learning about the earth a rewarding experience and encourage a student's desire to seek more knowledge about science.