Como Hacer Un Cohete Efervescente/How To Build A Fizzy Rocket

What substance can act like both a solid and a liquid? Slime! Want to find out how to make your own? Just follow the simple steps inside this book

An award-winning first glimpse into the diverse natural world of mammals. This addition to the acclaimed About... series explains to children in simple, easy-to-understand language what mammals are, what they eat, and where they live. Beautifully detailed, realistic paintings by wildlife illustrator John Sill introduce readers to the huge variety of mammals, from the tiny white-footed deermouse to the large American bison. An afterword provides more details about the animals featured in the book. Parents and pre-school and primary-grade teachers will find this an attractive choice for...

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.

Una reflexión teórico práctica sobre el papel que juegan la Historia de la Ciencia y la Filosofía de la Ciencia, en la enseñanza y aprendizaje de las Ciencias. El autor sostiene que hasta ahora ha predominado en la enseñanza, la adquisición de conocimientos y propone introducir el contexto de descubrimiento como un factor sumamente eficaz el aprendizaje de las ciencias.

For most of history, women have been confined to their households, and to lives without equal rights or equal opportunities. This volume introduces readers to the women of the suffrage movement, the defining movement for women’s rights, especially the right to vote. Primary sources and photographs will show readers firsthand how the challenges and successes of this movement shaped the lives of women across the United States. Readers will also learn about the inequality that still exists for women, and how they can change this injustice in the future.