El Pacto Del Mayflower /

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

This book introduces children to fascinating figures throughout history. They include Ramses II, Moctezuma, Nostradamus, Albert Einstein, and Stephen Hawking.

Featuring Time For Kids content, Siempre crece: La fruta (Always Growing: Fruit) will engage students in learning. Discover what happens when an apple seed is planted in the ground. Based on NGSS standards, this Spanish book teaches children about growth, and encourages young learners to use their own words to describe what is happening in the pictures.

Books in this series introduce children to simple forces. Each book uses simple, repetitive text to teach children basic vocabulary, and includes stunning photographs that show how different forces are at work in the world around us.

Cuando los niños abran las puertas de este libro, descubrirán un fantástico belén con el que podrán jugar durante horas En su interior encontrarán el es lo, dos hojas con personajes troquelados y un album con la historia del nacimiento de Jesús que los niños podrán recrear y escenificar con los recor les