Highlighting the mysteries beneath the earth’s surface, this is the ideal kids’ companion to the fascinating subject of geology. Through an engaging array of hands-on activities, this helpful handbook guides children through testing minerals, creating crystals, sculpting edible models of the planet, and even baking volcanic meringue cookies. Exploring the reasons behind the physical changes of the world, this examination also outlines the rock...

In Explore Money! money is more than something to earn, save, and spend. It's an opportunity to explore history, art, science, economics, and math! While checking out the change in their pockets and bills from their banks, young readers search for hidden treasures, learn how money can multiply, and see how countries keep their currency secure. Very large and very small numbers take on a new relevance when seen through the lens of money. Using familiar...

Provides an introduction to comets and asteroids and gives step-by-step directions for interactive projects, including creating models of various celestial objects, experimenting with gravity, and building a refracting telescope.