Cómo ganar amigos e influir sobre las personas. Para chicas

Introduces young readers to the tyrannosaurus rex, examining its physical characteristics, eating habits, and extinction.

Introduces different kinds of light, the properties of light, and how light can create shadows of different shapes and sizes.

This Spanish-translated book will be a hit with both thrill seekers and with those who prefer to stay safely on the ground. After an introduction to Newton's three laws of motion, readers learn the mechanics of various amusement park rides including roller coasters, Ferris wheels, merry-go-rounds, and gravity rides. They learn how to measure motion, and how kinetic and potential energy apply to their favorite rides. This 6-Pack includes six copies of this title and a lesson plan.

The Importance Of Plants And Our Dependence On Them Not Only For Food But Also For Our Clean Air And Water Are Discussed In This Title. How Crops And Plants Have Been Genetically Modified To Resist Disease And Insects. The Impact Humans Have On Our Earth And What We Can Do To Reduce The Use Of Our Nonrenewable Resources Are Discussed.