Books with author Peter D Riley

Everything is made of matter. In this book, readers will learn to recognize the three states of matter, how to measure matter, and the way temperature changes matters forms. An introductory lesson on how matter travels in the water cycle invites readers to examine the broader impact of these essential elementary science concepts, and how they affect Earths weather. Activities and questions are included to bring these concepts to life in a relatable and tangible way.

Do you hear that? Sound is one of the most thrilling and fascinating senses we possess, but how does it work? In this book readers unravel the mystery of frequencies, pitch, and volume. Theyll explore how sound travels, the anatomy of an ear, and what makes an echo. With samples of how these phenomena can be tested at home, the book encourages readers to appreciate and engage in scientific exploration. A helpful glossary equips readers with the language theyll need to comprehend and discuss this topic at a more advanced level.