This book introduces the concept of sound waves in a relatable, child-centered way. Readers will discover that matter must vibrate to make sound and that sound can make matter vibrate. They will also learn how sound waves are used for communication and be able to demonstrate this knowledge by creating their own sound devices. Teacher's guide available.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.