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 rectangles.

"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,...

Zoo animals from polar bear to walrus make their distinctive sounds for each other, while children imitate the sounds for the zookeeper. Includes note to parents and teachers, and related activities.

"When a storm mixes up all the animal's voices, they must find a way to swap sounds!"--

Illustrations and simple, rhyming text follow Mrs. Garcia's class on a hunt in and around school for examples onomatopoeia--words that imitate the sound of what they name.

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.

A little girl fills her sound box with many words beginning with the letter "w".

A little boy fills his sound box with many words beginning with the letter "k."