Updated for 2020, repetition, simple sentences, and supporting images are used to familiarize the beginning reader with squares.

Updated for 2020, repetition, simple sentences, and supporting images are used to familiarize the beginning reader with triangles.

"This book introduces students to the concept of sound. How can sounds be heard but not seen? How does sound travel through air and at what rate of speed?."--

Sound is everywhere! This book uses real-world examples to bring the concept of sound to life in an approachable way. Clearly-written text draws in readers with concrete examples involving familiar, everyday things, from a train whistle to a thunder clap. The book covers the history of and key figures in the understanding of sound, including Pythagoras and Galileo. Major concepts covered include sound waves, frequency, amplitude, ultrasound, sonar,...

"Read the story to hear the sounds "w" can make."--

Describes the sounds different farm animals make. The question-and-answer story delights and encourages readers to mimic the familiar sounds of a cow, a donkey, a goose, and other animals heard around the farm.

"Part of the nonfiction Orca Footprints series for middle-grade readers, illustrated with color photographs throughout. Young readers will discover how to listen to the sounds of nature and what they can tell us about the health of the planet."--Provided by publisher.

Listen for cars, people, dogs, and more in this book about the sounds you can hear all around the city!

Each illustration is accompanied by a single word that identifies it.

A family wakes up to hear all of the enjoyable sounds of the day, from a teapot whistling and sparrows tweeting to papers rustling and taxis honking.