Basic science concepts regarding of the properties of weight, mass, buoyance, matter are explained here through whether something will float or will sink. Books of the Real Life Readers Program use real life scenario narratives to help readers further develop content-area reading, writing, and comprehension skills.
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.