Wonder at the Lodgepole Pine, whose heat-activated cones reseed forests destroyed by fire. Search for the Sugar Maple, whose foliage blazes red and yellow in autumn. North America's trees rank among nature's most awesome creations. This premier field guide features all characteristics-tree shape, bark, leaf, flower, fruit and twig-for quick identification, making it a superior choice for trail walks, creating displays, and scientific or commercial needs.-All of North America in one volume-Over 730 species in 76 families and 160 range maps-Native species and important introduced foreign varieties-Text, range maps, and illustrations seen together at a glance-Common and scientific names-Convenient measuring rules

    Round up all your friends and track the spread of "disease" using body glitter with an experiment inspired by Edward Jenner, the vaccination pioneer who's credited with saving more lives than any other person in history. Rediscover the wheel and axle with the ancient Sumerians, and perform an astounding experiment demonstrating the theory of angular momentum. Build a simple telescope—just like Galileo's—and find the four moons he discovered orbiting Jupiter (an act that helped land him in prison). Take a less potentially catastrophic approach to electricity than Ben Franklin did with the Lightning Mouth experiment. Re-create the Hadron Collider in a microwave with marshmallows, calculator, and a ruler—it won't jeopardize Earth with a simulated Big Bang, but will demonstrate the speed of light. And it's tasty!By letting kids stand on the shoulders of Aristotle, Newton, Einstein, the Wright brothers, Marie Curie, Darwin, Watson and Crick, and more, The Book of Potentially Catastrophic Science is an uncommonly engaging guide to science, and the great stories of the men and women behind the science.

    It covers such topics as the slug's two pairs of tentacles, one pair for seeing, one pair for smelling (it can see you're a kid and smell like broccoli), its breathing hole (on the side of its head!), and its pretty gross mucous covering (in order to find a partner, the slug can follow another slug's mucous trail. True love!). Although silly and off-the-wall, The Slug contains real information that will tie in with curriculum.

    They didn't know it, but they had discovered a New World. The First Americans is a fascinating re-creation of pre-Columbian Native American life, and it's an adventure of a lifetime! Hunt seals with the Inuit; harvest corn on a cliff-top mesa; hunt the mighty buffalo; and set sail with Leif Erickson, Columbus, and all the early great explorers--Cabot, Balboa, Ponce de Leon, Cortes, Henry the Navigator, and more--in this brilliantly told story of America before it was America.About the Series: Master storyteller Joy Hakim has excited millions of young minds with the great drama of American history in her award-winning series A History of US. Recommended by the Common Core State Standards for English Language Arts and Literacy as an exemplary informational text, A History of US weaves together exciting stories that bring American history to life. Hailed by reviewers, historians, educators, and parents for its exciting, thought-provoking narrative, the books have been recognized as a break-through tool in teaching history and critical reading skills to young people. In ten books that span from Prehistory to the 21st century, young people will never think of American history as boring again.

    Some scientists consider it the greatest astronomical discovery of the twentieth century. Despite this achievement, she was overlooked in favor of two male colleagues when the Nobel Prize for physics was awarded. Bell is still working and teaching today, recognized for her contribution.

    While they're at it, they helpfully demystify many complicated things we do know about, from quarks and neutrinos to gravitational waves and exploding black holes. With equal doses of humor and delight, they invite us to see the universe as a vast expanse of mostly uncharted territory that's still ours to explore.This entertaining illustrated science primer is the perfect book for anyone who's curious about all the big questions physicists are still trying to answer.

    Frizzle's class is growing a beautiful garden. But, Phoebe's plot is empty. Her flowers are back at her old school! So, the class climbs aboard the Magic School Bus. And, of course, the kids don't only go back to Phoebe's school, but they go inside one of Phoebe's flowers! Follow the kids' adventure and learn how living things grow.

    Originally published as a single two-year volume, Level 1 (Grade 1, this book) and Level 2 (Grade 2, available separately) have been redesigned as two separate simple-to-use one-year programs. Grade Recommendation: Grade 1.

    This informative concept book includes detailed pictures of leaves in different sizes, shapes, and colors and a list of activities that kids can do with leaves.This is a Stage 2 Let's-Read-and-Find-Out, which means the book explores more challenging concepts for children in the primary grades. Let's-Read-And-Find-Out is the winner of the American Association for the Advancement of Science/Subaru Science Books & Films Prize for Outstanding Science Series.Supports the Common Core Learning Standards and Next Generation Science Standards

    Each of the 100 sharply focused, historically and culturally diverse passages from world literature targets a specific component of voice, presenting the elements in short, manageable exercises that function well as class openers. Includes teacher notes and discussion suggestions.