Examines, in text and labeled diagrams and illustrations, how different types of mountains were formed, the composition of various kinds of rock, volcanic mountains, and the process of erosion
One of a series in which scientific concepts are introduced gradually, and backed up with experiments and activities designed to be both enjoyable and easy to do. Focusing on electricity and magnets, this book shows how to connect simple circuits and make a switch, and has a range of project ideas.
One of a series in which scientific concepts are introduced gradually and backed up with experiments and activities designed to be enjoyable and easy to do. Focusing on sound and light, this book shows, for instance, how musical instruments produce various sounds and how mirrors and lenses work.