Does mass change when water freezes? What is the source of the gas in a seltzer tablet? Find out in your own lab! Readers learn how to make their own laboratory with simple materials and household items. Then it's time to start experimenting! Step-by-step directions help you conduct your own experiments and test hypotheses. Perfect for the science fair!
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.