The projects seen at intense science competitions arise from real-world laboratories and often resemble or coincide with work done by professional scientists. Author Melanie Jacobs Krieger guides... This description may be from another edition of this product.
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.