
Waves don't just happen in the ocean. Billions of sound waves move through the air every second. My Physical Science Library: Sound Moves teaches young readers in kindergarten to grade 2 about sound waves and how we send and receive them in order to communicate, make music, and...

Waves don't just happen in the ocean. Billions of sound waves move through the air every second. My Physical Science Library: Sound Moves teaches young readers in kindergarten to grade 2 about sound waves and how we send and receive them in order to communicate, make music, and...