Rivers and lakes are rich habitats filled with all the elements their inhabitants need for survival. Peel back a corner of these amazing ecosystems to discover the incredible organisms... Læs mere
A mountain is a towering, sky-scraping world that reaches high above Earth's surface. Peel back the corners of a mountain to discover the incredible organisms that live in this ecosystem, from wolves and birds to frogs and...
Forests are vast, green landscapes of trees and plants, and are home to countless animals. Peel back the corners of the forest to discover the incredible organisms that live in this ecosystem, from insects and birds to deer and...
Introduces young scientists to the properties of metals. This book helps readers discover that metals are shiny, ductile, malleable, and conductive.
One of the three basic states of matter, this title provides insight into the properties of gases. It helps readers discover what gases are, how they react when heated or under pressure, and the gases that make up the atmosphere.
This comprehensive title introduces readers to current electricity and circuits-the pathways through which electricity flows. Detailed diagrams and supportive text explain... Læs mere
This engaging title introduces readers to materials that are either hard or soft. Using familiar examples, readers learn what makes hard and soft objects different and why they are suited for different...