Books in I Wonder Why series

While building a soapbox racing car, a pair of friends provide an easy-to-understand lesson in how simple machines are all around us, making our work more efficient. Michael and Luci show readers that a broom is a lever, nails are wedges, and a screwdriver is both a lever and a wheel and axle. The two also prove that curious children can be just like scientists, making observations and using how and what questions to explore physical science principles they encounter all the time. Michael’s Racing Machine is part of the I Wonder Why book series, written to ignite the curiosity of children in grades K–6 while encouraging them to become avid readers. These books explore the marvels of light, color, machines, sound, and other phenomena related to physical science. Included in each volume is a Parent/Teacher Handbook with coordinating activities. The I Wonder Why series is written by an award-winning science educator and published by NSTA Kids, a division of NSTA Press.

As he begins to discover the interesting rocks all around him, Spenser has many questions about what he finds. Given the differences in the rocks’ colors, sizes, shapes, and textures, there is much to learn about rocks! But that’s not all the curious child learns in this tale of discovery. Spenser’s fascination grows as he sorts and re-sorts his rock collection and asks questions about what he observes. For Spenser—as well as young readers—the experience is an engaging introduction to scientific procedures such as classification and research. Spenser and the Rocks is part of the I Wonder Why book series, written to ignite the curiosity of children in grades K–6 while encouraging them to become avid readers. These books explore the marvels of geology, land forms, weather, environments, and other phenomena related to science and nature. Included in each volume is a Parent/Teacher Handbook with coordinating activities. The I Wonder Why series is written by an award-winning science educator and published by NSTA Kids, a division of NSTA Press.

Wind is invisible, but watchful students can see how air in motion be detected by movement around them. This simple book introduces the different intensities of the wind, from gentle breezes that make flags flutter to powerful tornadoes that can lift a house. As the book progresses, readers discover how wind intensities can be measured, and they indirectly become acquainted with the Beaufort Wind Scale used by meteorologists. Throughout the book, the text flows like poetry, moving young readers along as easily as the wind makes little boats sail across the water. How Does the Wind Blow? is part of the I Wonder Why book series, written to ignite the curiosity of children in grades K–6 while encouraging them to become avid readers. These books explore the marvels of geology, land forms, weather, environments, and other phenomena related to science and nature. Included in each volume is a Parent/Teacher Handbook with coordinating activities. The I Wonder Why series is written by an award-winning science educator and published by NSTA Kids, a division of NSTA Press.

This book unfolds as a series of observations about light, including where it comes from, how it bounces off of people and objects, and what we mean when we say the colors of a rainbow are the colors in light. Throughout the text, informal experiments prompt young scientists to learn by doing, and impressionistic drawings bring the mysteries of light and color to life. By the book’s end, students will have a useful foundation for middle school and beyond, when they’ll learn about energy, wavelengths, and the electromagnetic spectrum. Light and Color is part of the I Wonder Why book series, written to ignite the curiosity of children in grades K–6 while encouraging them to become avid readers. These books explore the marvels of light, color, machines, sound, and other phenomena related to physical science. Included in each volume is a Parent/Teacher Handbook with coordinating activities. The I Wonder Why series is written by an award-winning science educator and published by NSTA Kids, a division of NSTA Press.

Here’s humorous proof of just how fun it is to observe with your ears. A whimsical introduction to pitch and volume, this book practically begs young scientists to read it aloud. And why not? It’s the best way to compare the differences among a telephone’s high ring, a cow’s low moo, a fire truck’s loud clang, and a flying string band’s plinkety plink plunk. Sounds Are High, Sounds Are Low is ideal for beginning readers and hilarious practice for future sound effects pros. Sounds Are High, Sounds Are Low is part of the I Wonder Why book series, written to ignite the curiosity of children in grades K–6 while encouraging them to become avid readers. These books explore the marvels of light, color, machines, sound, and other phenomena related to physical science. Included in each volume is a Parent/Teacher Handbook with coordinating activities. The I Wonder Why series is written by an award-winning science educator and published by NSTA Kids, a division of NSTA Press.

This highly popular and long-running series has been revamped for a new generation of readers, with a clean, crisp redesign and colourful covers. The series explores questions that young readers ask about the world around them in an unrivalled child-friendly style. The conversational format is perfect for delivering solid information in a natural, amusing and imaginative way. Why did some explorers wear dresses? What was it like on board the Niña, Pinta, and Santa María? Readers will be thrilled to discover the fantastic facts about all types of exploration and discoveries. From ocean voyages of ancient times to the space travel of the future, I Wonder Why Columbus Crossed the Ocean by Rosie Greenwood has the questions and answers that will leave readers yearning to uncover more.

Children don’t have to be botanists-in-training to discover the message of this book: “All plants are interesting. Even the weeds.” Young readers are sure to be intrigued by the wide variety of shapes, sizes, and functions in flowers, fruit trees, and all sorts of other flora. How Does a Plant Grow? will inspire children to be newly alert to the many wonders of the plant world, from how seeds sprout to why leaves turn to the light to the vital roles of stems and roots. How Does a Plant Grow? is part of the I Wonder Why book series, written to ignite the curiosity of children in grades K–6 while encouraging them to become avid readers. These books explore the marvels of plants, animals, and other phenomena related to science and nature. Included in each edition is a Parent/Teacher Handbook with coordinating activities. The I Wonder Why series is written by an award-winning science educator and published by NSTA Kids, a division of NSTA Press.