Cómo podemos utilizar la palanca?

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

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

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.

This is a story of three characters--Noah, Joyce, and the anonymous narrator--as each leave their far-flung birthplaces to follow their own personal songs of migration. All three end up in Montreal, each on his or her voyage of selfdiscovery, each compelled to deal with the mishaps of heartbreak and the twisted branches of their shared family tree. Filled with humor, charm, and marvelous storytelling, this novel links cartography, garbage-obsessed archeologists, pirates past and present, a mysterious book with no cover, and a broken compass whose needle obstinately points to the Aleutian...

English Spanish bilingual book for kids. Perfect for kids studying English or Spanish as their second language. Jimmy, the little bunny, likes to eat candy, but doesn't even want to taste fruits and vegetables. He sneaks into the kitchen to try to find a bag with candies that was hidden inside the cupboard. What happens right after Jimmy climbs up to reach the bag of candy? You will find out when you read this illustrated children's book. Since that day, Jimmy starts to develop healthy eating habits and even likes to eat his fruits and vegetables.

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.

In graphic novel format, follows the adventures of Max Axiom as he explains the science behind light.