Information covering important topics for today's educators and parents. The series introduces scientific facts and concepts relating to subjects such as astronomy, electricity, forces, and geology. Other titles address topics such as light, meteorology, heat, materials, and water. In this book, students learn about the nature of sound waves, how they are produced, and how they differ depending on who or what makes them. Sample activities have students construct a model ear, make a string telephone, and demonstrate how sound travels through solid materials and through water.
Students also have the opportunity to make musical instruments.
Each activity includes illustrated instructions and color photographs. At the end of the book, chapter notes explain and summarize the text. Also provided are a glossary and a list of suggestions for further reading. Speed of sound.