Much of the information about our world comes to us through light and sound. Experiments in this book help kids to discover sources of light and colors of the spectrum, learn how light and sound waves travel, and understand how to make a wind instrument.
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.