La Energía Solar (Solar Energy)

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

Este libro ilustrado para niños y jóvenes ofrece un análisis equilibrado de las creencias, la historia y las costumbres de todas las grandes religiones del mundo y de muchas doctrinas menos conocidas.

Aprenda los colores del arco iris siguiendo un texto lírico. (Learn the colors of the rainbow through the lyrical, rhyming text!) "I’ve learned my colors: green, red, and blue, yellow, purple, orange, and now I’m through." From shiny red apples, to purple violets and yellow bumblebees, the high-quality pictures will have children learning colors quickly. Learn simple English words and phrases with the corresponding version Green, Green Froggy.

The scientific charge of The Hot Zone and the epic thrill of Jurassic Park converge in this exhilarating new eco-thriller about a team of scientists and Navy SEALs stranded on an island in the Galápagos, fighting to survive an evolutionary catastrophe. The year is 2007. Through widening holes of ozone depletion, the tropical sun burns human skin to a crisp. Powerful earthquakes and monstrous hurricanes wrack South America, exploding Ecuador's already anarchic instability.

Featuring TIME For Kids content, this Spanish resource, Empujar y jalar (Pushes and Pulls), aligns with NGSS standards to teach young learners about forces and interactions. The engaging photos encourage students to describe what is happening using their own words. This full-color, wordless picture book can be used in the classroom or at home to teach children the difference between pushing and pulling.